ColorTool
Log in
#21FFCA

#21ffca ≈ Aquamarine

  • teal
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#21ffca is a color from the teal family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 100% green and 79.22% blue; printed in CMYK it uses 87.06% cyan, 0% magenta, 20.78% yellow and 0% black. Its hue angle is 165.68°, with 100% saturation and 56.47% lightness in HSL. It is a cool color, often associated with clarity, calm and renewal. Designers typically use it for health and wellness, technology products and call-to-action buttons. Black text on this color reaches a contrast ratio of 16.22:1 (WCAG AAA). The closest named color is Aquamarine (#7fffd4), ΔE 4.74.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#33ffcc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.7611

Complementary

  1. #21ffca
  2. #ff2156

Split complementary

  1. #21ffca
  2. #ff21c5
  3. #ff5b21

Analogous

  1. #21ff5b
  2. #21ffca
  3. #21c5ff

Triadic

  1. #21ffca
  2. #ca21ff
  3. #ffca21

Tetradic

  1. #21ffca
  2. #2156ff
  3. #ff2156
  4. #ffca21

Square

  1. #21ffca
  2. #5b21ff
  3. #ff2156
  4. #c5ff21

Monochromatic

  1. #008767
  2. #00d3a1
  3. #21ffca
  4. #6dffdc
  5. #baffef

Shades

#21ffca mixed progressively with black.

  1. #21ffca
  2. #1ee6b6
  3. #1acca2
  4. #17b38d
  5. #149979
  6. #118065
  7. #0d6651
  8. #0a4d3d
  9. #073328
  10. #031a14
  11. #000000

Tints

#21ffca mixed progressively with white.

  1. #21ffca
  2. #37ffcf
  3. #4dffd5
  4. #64ffda
  5. #7affdf
  6. #90ffe5
  7. #a6ffea
  8. #bcffef
  9. #d3fff4
  10. #e9fffa
  11. #ffffff

Tones

#21ffca mixed progressively with gray.

  1. #21ffca
  2. #2bf2c3
  3. #34e6bb
  4. #3ed9b4
  5. #47ccac
  6. #51c0a5
  7. #5ab39e
  8. #64a696
  9. #6d998f
  10. #778d87
  11. #808080

Readable text 1.29:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 16.22:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #e2e2e2 ≈ 0.003% of males
Achromatomaly #b5eed9 ≈ 0.001% of males
Protanopia #f7edc7 ≈ 1.01% of males
Deuteranopia #dedbce ≈ 1.27% of males
Tritanopia #00fff0 ≈ 0.0001% of males
Protanomaly #c6f4c8 ≈ 1.08% of males
Deuteranomaly #b2eacc ≈ 4.63% of males
Tritanomaly #00ffe2 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-21ffca {
  color: #21ffca;
}
Background
.bg-21ffca {
  background-color: #21ffca;
  color: #000000;
}
Border
.border-21ffca {
  border: 2px solid #21ffca;
}
CSS variables
:root {
  --color-primary: #21ffca;
  --color-primary-rgb: 33 255 202;
  --color-primary-hsl: 166 100% 56%;
}
Gradient
.gradient-21ffca {
  background: linear-gradient(135deg, #21ffca, #21c5ff);
}
Colored shadow
.shadow-21ffca {
  box-shadow: 0 8px 24px rgb(33 255 202 / 0.35);
}

#7fffd4 Aquamarine ΔE 4.74 #00fa9a Medium Spring Green ΔE 8.43 #00ffef Turquoise Blue ΔE 9.88 #aaf0d1 Magic Mint ΔE 10.98 #40e0d0 Turquoise ΔE 11.17 #9fe2bf Seafoam Green ΔE 11.61 #00cc99 Caribbean Green ΔE 11.61 #de0035 Inverted #e2e2e2 Grayscale 

Aquamarine
#21ffca  rgb(33, 255, 202)  hsl(166, 100%, 56%)  Aquamarine
#ff2156  rgb(255, 33, 86)  hsl(346, 100%, 56%)  Folly
#ca21ff  rgb(202, 33, 255)  hsl(286, 100%, 56%)  Electric Purple
#ffca21  rgb(255, 202, 33)  hsl(46, 100%, 56%)  Sunglow