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#21D2DD

#21d2dd ≈ Dark Turquoise

  • cyan
  • Lightness: medium
  • Saturation: strong
  • Cool
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#21d2dd is a color from the cyan family, with medium lightness and strong saturation. In the RGB model it is made of 12.94% red, 82.35% green and 86.67% blue; printed in CMYK it uses 85.07% cyan, 4.98% magenta, 0% yellow and 13.33% black. Its hue angle is 183.51°, with 74.02% saturation and 49.8% lightness in HSL. It is a cool color, often associated with freshness, technology and clarity. Designers typically use it for health and wellness, technology products and brand accents. Black text on this color reaches a contrast ratio of 11.33:1 (WCAG AAA). The closest named color is Dark Turquoise (#00ced1), ΔE 3.12.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#33cccc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.5164

Complementary

  1. #21d2dd
  2. #dd2c21

Split complementary

  1. #21d2dd
  2. #dd2174
  3. #dd8a21

Analogous

  1. #21dd8a
  2. #21d2dd
  3. #2174dd

Triadic

  1. #21d2dd
  2. #dd21d2
  3. #d2dd21

Tetradic

  1. #21d2dd
  2. #2c21dd
  3. #dd2c21
  4. #d2dd21

Square

  1. #21d2dd
  2. #8a21dd
  3. #dd2c21
  4. #74dd21

Monochromatic

  1. #0d5358
  2. #17939a
  3. #21d2dd
  4. #63e0e8
  5. #a5edf2

Shades

#21d2dd mixed progressively with black.

  1. #21d2dd
  2. #1ebdc7
  3. #1aa8b1
  4. #17939b
  5. #147e85
  6. #11696f
  7. #0d5458
  8. #0a3f42
  9. #072a2c
  10. #031516
  11. #000000

Tints

#21d2dd mixed progressively with white.

  1. #21d2dd
  2. #37d7e0
  3. #4ddbe4
  4. #64e0e7
  5. #7ae4eb
  6. #90e9ee
  7. #a6edf1
  8. #bcf2f5
  9. #d3f6f8
  10. #e9fbfc
  11. #ffffff

Tones

#21d2dd mixed progressively with gray.

  1. #21d2dd
  2. #2bcad4
  3. #34c2ca
  4. #3eb9c1
  5. #47b1b8
  6. #51a9af
  7. #5aa1a5
  8. #64999c
  9. #6d9093
  10. #778889
  11. #808080

Readable text 1.85:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 11.33:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #bebebe ≈ 0.003% of males
Achromatomaly #98c6cb ≈ 0.001% of males
Protanopia #c1c8de ≈ 1.01% of males
Deuteranopia #a9b7de ≈ 1.27% of males
Tritanopia #00dbd5 ≈ 0.0001% of males
Protanomaly #9bccde ≈ 1.08% of males
Deuteranomaly #87c2dd ≈ 4.63% of males
Tritanomaly #00d7d8 ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-21d2dd {
  color: #21d2dd;
}
Background
.bg-21d2dd {
  background-color: #21d2dd;
  color: #000000;
}
Border
.border-21d2dd {
  border: 2px solid #21d2dd;
}
CSS variables
:root {
  --color-primary: #21d2dd;
  --color-primary-rgb: 33 210 221;
  --color-primary-hsl: 184 74% 50%;
}
Gradient
.gradient-21d2dd {
  background: linear-gradient(135deg, #21d2dd, #2174dd);
}
Colored shadow
.shadow-21d2dd {
  box-shadow: 0 8px 24px rgb(33 210 221 / 0.35);
}

#00ced1 Dark Turquoise ΔE 3.12 #00cccc Robin Egg Blue ΔE 4.27 #48d1cc Medium Turquoise ΔE 5.43 #0abab5 Tiffany Blue ΔE 8.55 #08e8de Bright Turquoise ΔE 8.66 #40e0d0 Turquoise ΔE 9.57 #7df9ff Electric Blue ΔE 9.74 #de2d22 Inverted #bebebe Grayscale 

Dark Turquoise
#21d2dd  rgb(33, 210, 221)  hsl(184, 74%, 50%)  Dark Turquoise
#dd2c21  rgb(221, 44, 33)  hsl(4, 74%, 50%)  Lust
#dd21d2  rgb(221, 33, 210)  hsl(304, 74%, 50%)  Medium Orchid
#d2dd21  rgb(210, 221, 33)  hsl(64, 74%, 50%)  Pear