COLOR INTELLIGENCE ENGINE

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Perceptual similarity, lighter/darker variants, warmer/cooler relationships, harmonies, WCAG combinations and color-vision simulation.

MATCHED COLOR

#21a9b5

#21A9B5

Custom · tone · resolved by hex

120ranked matches
2.8351white contrast
7.4071black contrast
CIEDE2000

Closest colors

Lower ΔE = closer
Shade Cyan#14AAB8Cyan · shadeΔE00 0.722Shade Aqua#34AAB7Aqua · shadeΔE00 1.195Shade Cyan#34ACB7Cyan · shadeΔE00 1.256Shade Cyan#14ADB8Cyan · shadeΔE00 1.328Shade Cyan#1DA6AFCyan · shadeΔE00 1.488Shade Aqua#34A8B7Aqua · shadeΔE00 1.794Shade Cyan#1DA3AFCyan · shadeΔE00 1.822Shade Aqua#14A7B8Aqua · shadeΔE00 1.842Shade Cyan#34AEB7Cyan · shadeΔE00 1.908Shade Cyan#3DA6AECyan · shadeΔE00 1.918Shade Cyan#1DA8AFCyan · shadeΔE00 1.975Shade Cyan#3DA4AECyan · shadeΔE00 2.078Shade Cyan#14AFB8Cyan · shadeΔE00 2.197Shade Cyan#3DA8AECyan · shadeΔE00 2.267Shade Aqua#0CAEC0Aqua · shadeΔE00 2.419Shade Cyan#0CB1C0Cyan · shadeΔE00 2.465Shade Aqua#1DA1AFAqua · shadeΔE00 2.557Shade Aqua#2AB1C0Aqua · shadeΔE00 2.634Shade Aqua#2AAFC0Aqua · shadeΔE00 2.635Shade Aqua#3DA2AEAqua · shadeΔE00 2.665Soft Cyan#4CAAB2Cyan · toneΔE00 2.696Soft Aqua#4CA8B2Aqua · toneΔE00 2.703Shade Cyan#34B0B7Cyan · shadeΔE00 2.752Shade Aqua#14A5B8Aqua · shadeΔE00 2.761Soft Aqua#4CA7B2Aqua · toneΔE00 2.855Rich Cyan#03A2AACyan · shadeΔE00 2.886Classic Aqua#42B0BDAqua · toneΔE00 2.889Shade Cyan#3DAAAECyan · shadeΔE00 2.939Classic Aqua#42AEBDAqua · toneΔE00 2.943Rich Cyan#03A4AACyan · shadeΔE00 3.054Soft Cyan#4CACB2Cyan · toneΔE00 3.063Shade Aqua#0CABC0Aqua · shadeΔE00 3.081Shade Aqua#34A5B7Aqua · shadeΔE00 3.095Shade Cyan#1DABAFCyan · shadeΔE00 3.151Classic Cyan#42B2BDCyan · toneΔE00 3.152Shade Cyan#0CB4C0Cyan · shadeΔE00 3.18Shade Cyan#2AB4C0Cyan · shadeΔE00 3.197Shade Aqua#2AACC0Aqua · shadeΔE00 3.206Rich Cyan#039FAACyan · shadeΔE00 3.242Shade Cyan#25A1A7Cyan · shadeΔE00 3.264Classic Aqua#42ACBDAqua · toneΔE00 3.302Shade Cyan#259FA7Cyan · shadeΔE00 3.342Soft Cyan#4CADB2Cyan · toneΔE00 3.351Soft Aqua#4CA5B2Aqua · toneΔE00 3.39Shade Aqua#3DA0AEAqua · shadeΔE00 3.474Shade Cyan#25A3A7Cyan · shadeΔE00 3.491Shade Cyan#14B2B8Cyan · shadeΔE00 3.559Shade Cyan#3DACAECyan · shadeΔE00 3.756Rich Cyan#03A7AACyan · shadeΔE00 3.79Shade Cyan#2AB6C0Cyan · shadeΔE00 3.817Shade Aqua#2AAAC0Aqua · shadeΔE00 3.837Classic Aqua#42AABDAqua · toneΔE00 3.882Shade Aqua#1D9EAFAqua · shadeΔE00 3.893Shade Aqua#3D9FAEAqua · shadeΔE00 3.922Shade Cyan#25A5A7Cyan · shadeΔE00 3.961Classic Cyan#42B5BDCyan · toneΔE00 3.98Shade Cyan#259CA7Cyan · shadeΔE00 3.989Shade Aqua#04B4C8Aqua · shadeΔE00 4.016Shade Cyan#1DADAFCyan · shadeΔE00 4.025Shade Aqua#34A3B7Aqua · shadeΔE00 4.035Soft Cyan#4CAFB2Cyan · toneΔE00 4.056Shade Cyan#34B3B7Cyan · shadeΔE00 4.108Shade Aqua#0CA8C0Aqua · shadeΔE00 4.125Soft Aqua#4CA3B2Aqua · toneΔE00 4.131Shade Cyan#46A0A4Cyan · shadeΔE00 4.147Rich Cyan#039CAACyan · shadeΔE00 4.153Shade Aqua#14A2B8Aqua · shadeΔE00 4.179Shade Cyan#46A1A4Cyan · shadeΔE00 4.204Shade Cyan#0CB7C0Cyan · shadeΔE00 4.228Shade Cyan#469EA4Cyan · shadeΔE00 4.241Shade Aqua#04B1C8Aqua · shadeΔE00 4.241Shade Cyan#04B8C8Cyan · shadeΔE00 4.388Classic Aqua#38B4C7Aqua · toneΔE00 4.421Classic Aqua#38B6C7Aqua · toneΔE00 4.427Soft Aqua#5BAFB9Aqua · toneΔE00 4.435Soft Aqua#5BAEB9Aqua · toneΔE00 4.458Shade Cyan#46A3A4Cyan · shadeΔE00 4.508Rich Cyan#0A9EA3Cyan · shadeΔE00 4.517Soft Cyan#57A3A8Cyan · toneΔE00 4.523Soft Cyan#57A4A8Cyan · toneΔE00 4.53Soft Aqua#4CA2B2Aqua · toneΔE00 4.548Soft Cyan#5BB1B9Cyan · toneΔE00 4.574Soft Cyan#57A2A8Cyan · toneΔE00 4.586Shade Cyan#25A7A7Cyan · shadeΔE00 4.593Shade Aqua#21B6CAAqua · shadeΔE00 4.599Classic Aqua#42A8BDAqua · toneΔE00 4.599Shade Cyan#469CA4Cyan · shadeΔE00 4.602Shade Cyan#3DAEAECyan · shadeΔE00 4.634Rich Cyan#0AA0A3Cyan · shadeΔE00 4.647Classic Aqua#51B3C2Aqua · toneΔE00 4.666Shade Aqua#259AA7Aqua · shadeΔE00 4.668Soft Aqua#5BACB9Aqua · toneΔE00 4.685Classic Cyan#42B7BDCyan · toneΔE00 4.698Classic Aqua#51B5C2Aqua · toneΔE00 4.703Soft Cyan#5BB2B9Cyan · toneΔE00 4.728Rich Cyan#0A9BA3Cyan · shadeΔE00 4.735Shade Cyan#46A4A4Cyan · shadeΔE00 4.739Soft Cyan#57A6A8Cyan · toneΔE00 4.741Classic Aqua#38B1C7Aqua · toneΔE00 4.762Shade Aqua#21B3CAAqua · shadeΔE00 4.764Classic Aqua#38B9C7Aqua · toneΔE00 4.784Shade Aqua#21B9CAAqua · shadeΔE00 4.819Classic Aqua#51B1C2Aqua · toneΔE00 4.832Rich Cyan#03AAAACyan · shadeΔE00 4.841Shade Aqua#1D9CAFAqua · shadeΔE00 4.843Shade Aqua#04AEC8Aqua · shadeΔE00 4.844Shade Aqua#3D9DAEAqua · shadeΔE00 4.862Soft Cyan#4CB1B2Cyan · toneΔE00 4.864Shade Aqua#469BA4Aqua · shadeΔE00 4.868Soft Aqua#5BABB9Aqua · toneΔE00 4.88Soft Aqua#57A0A8Aqua · toneΔE00 4.908Shade Cyan#1DAFAFCyan · shadeΔE00 4.917Shade Cyan#2AB9C0Cyan · shadeΔE00 4.924Shade Cyan#14B5B8Cyan · shadeΔE00 4.926Soft Cyan#57A7A8Cyan · toneΔE00 4.934Classic Aqua#51B7C2Aqua · toneΔE00 4.94Shade Aqua#2AA7C0Aqua · shadeΔE00 4.97Shade Aqua#34A1B7Aqua · shadeΔE00 4.993Shade Cyan#34B5B7Cyan · shadeΔE00 5.025Shade Cyan#04BBC8Cyan · shadeΔE00 5.074
RELATIONSHIP

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Warmer

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Cooler

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Tints

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Tones

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Shades

COLOR THEORY

Harmonies

complementary
splitComplementary
ACCESSIBILITY

WCAG combinations

COLOR VISION

Simulation

original#21A9B5
protanopia#5C5DB2
deuteranopia#544AB1
tritanopia#28B0AF
achromatopsia#828282