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Colour

#1DD1D4

  • #1DD1D4
  • Cyan
  • Light
  • Nearest: Dark turquoise

#1DD1D4 is a cyan with RGB values 29, 209, 212 and HSL 181°, 76%, 47%. It is a light colour, so black text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#1DD1D4#1DD1D4
HEX#1DD1D4
RGBrgb(29, 209, 212)
RGB (0–1)0.1137, 0.8196, 0.8314
RGB percentages11.4%, 82%, 83.1%
HSLhsl(181, 75.9%, 47.3%)
HSV / HSBhsv(181, 86.3%, 83.1%)
CMYK86.3%, 1.4%, 0%, 16.9%naive device-independent conversion; real print needs an ICC profile
24-bit integer1,954,260
CSS custom property--colour: #1DD1D4;

Brightness & contrast

Relative luminance0.50616WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.12:1
Contrast with white1.89:1WCAG normal text: Fail
Contrast with black11.12:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#E22E2B

Colour vision & accessibility

Protanopia#C2C7D5no red cones; affects about 1% of men; ΔE 41 from the original
Deuteranopia#AAB5D5no green cones; the most common form, about 1% of men; ΔE 42.6 from the original
Tritanopia#00D8D1no blue cones; rare, and affects men and women equally; ΔE 6.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.89:1WCAG large text: Fail
Contrast with black, large text11.12:1WCAG large text: AAA

Named colours

Nearest named CSS colourDark turquoise (#00CED1)ΔE 1.3, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#D4201D
Analogous#1DD47C, #1D76D4
Triadic#D41DD1, #D1D41D
Split complementary#D41D76, #D47C1D
Tetradic#7B1DD4, #D4201D, #75D41D

Tints, shades & saturation

Lighter +40%#C6F6F7
Lighter +30%#99F0F1
Lighter +20%#6CE9EB
Lighter +10%#3FE2E5
Darker −10%#17A5A7
Darker −20%#11797A
Darker −30%#0B4C4D
Darker −40%#042021
More saturated +25%#00EDF1
Less saturated −25%#3BB4B6

Channel breakdown

R29
G209
B212
Red29 (11.4%)
Green209 (82%)
Blue212 (83.1%)
Hue180.98°
Saturation (HSL)75.93%
Lightness47.25%
Dominant channelBlue
Hex per channelR 1D · G D1 · B D4

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Every value on this page was computed from “1dd1d4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.