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Recognised as Colour

#28DDD0

  • #28DDD0
  • Cyan
  • Light
  • Nearest: Turquoise

#28DDD0 is a cyan with RGB values 40, 221, 208 and HSL 176°, 73%, 51%. It is a light colour, so black text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#28DDD0#28DDD0
HEX#28DDD0
RGBrgb(40, 221, 208)
RGB (0–1)0.1569, 0.8667, 0.8157
RGB percentages15.7%, 86.7%, 81.6%
HSLhsl(175.7, 72.7%, 51.2%)
HSV / HSBhsv(175.7, 81.9%, 86.7%)
CMYK81.9%, 0%, 5.9%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,678,224
CSS custom property--colour: #28DDD0;

Brightness & contrast

Relative luminance0.56718WCAG 2.x, 0 is black and 1 is white
Perceived brightness184.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.34:1
Contrast with white1.7:1WCAG normal text: Fail
Contrast with black12.34:1WCAG normal text: AAA
Greyscale equivalent#B6B6B6
Inverted#D7222F

Colour vision & accessibility

Protanopia#D1D0D0no red cones; affects about 1% of men; ΔE 46 from the original
Deuteranopia#B9BFD2no green cones; the most common form, about 1% of men; ΔE 47.1 from the original
Tritanopia#00E3D9no blue cones; rare, and affects men and women equally; ΔE 3.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.7:1WCAG large text: Fail
Contrast with black, large text12.34:1WCAG large text: AAA

Named colours

Nearest named CSS colourTurquoise (#40E0D0)ΔE 2.5, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#DD2835
Analogous#28DD75, #288FDD
Triadic#D028DD, #DDD028
Split complementary#DD288F, #DD7628
Tetradic#7628DD, #DD2835, #8FDD28

Tints, shades & saturation

Lighter +40%#D8F9F7
Lighter +30%#ACF2ED
Lighter +20%#80EBE3
Lighter +10%#54E4DA
Darker −10%#1DB5AA
Darker −20%#168981
Darker −30%#0F5D58
Darker −40%#08312E
More saturated +25%#09FCEB
Less saturated −25%#47BEB5

Channel breakdown

R40
G221
B208
Red40 (15.7%)
Green221 (86.7%)
Blue208 (81.6%)
Hue175.69°
Saturation (HSL)72.69%
Lightness51.18%
Dominant channelGreen
Hex per channelR 28 · G DD · B D0

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Every value on this page was computed from “28ddd0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.