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Recognised as Colour

#01D8C9

  • #01D8C9
  • Cyan
  • Light
  • Nearest: Turquoise

#01D8C9 is a cyan with RGB values 1, 216, 201 and HSL 176°, 99%, 43%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#01D8C9#01D8C9
HEX#01D8C9
RGBrgb(1, 216, 201)
RGB (0–1)0.0039, 0.8471, 0.7882
RGB percentages0.4%, 84.7%, 78.8%
HSLhsl(175.8, 99.1%, 42.5%)
HSV / HSBhsv(175.8, 99.5%, 84.7%)
CMYK99.5%, 0%, 6.9%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer121,033
CSS custom property--colour: #01D8C9;

Brightness & contrast

Relative luminance0.53335WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.67:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.67:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#FE2736

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CCCBC9no red cones; affects about 1% of men; ΔE 47.3 from the original
Deuteranopia#B4BACBno green cones; the most common form, about 1% of men; ΔE 48.3 from the original
Tritanopia#00DDD3no 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 text1.8:1WCAG large text: Fail
Contrast with black, large text11.67:1WCAG large text: AAA

Named colours

Turquoise · ΔE 4.3Medium turquoise · ΔE 10Dark turquoise · ΔE 11.1Light seagreen · ΔE 15.4Aqua · ΔE 15.9Cyan · ΔE 15.9
Nearest named CSS colourTurquoise (#40E0D0)ΔE 4.28, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D80110
Analogous#01D85D, #017BD8
Triadic#C901D8, #D8C901
Split complementary#D8017B, #D85D01
Tetradic#5E01D8, #D80110, #7CD801

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6FFF8
Lighter +30%#74FEF5
Lighter +20%#41FEF1
Lighter +10%#0EFEED
Darker −10%#01A59A
Darker −20%#01726B
Darker −30%#00403B
Darker −40%#000D0C
More saturated +25%#00D9CA
Less saturated −25%#1CBDB2

Channel breakdown

R1
G216
B201
Red1 (0.4%)
Green216 (84.7%)
Blue201 (78.8%)
Hue175.81°
Saturation (HSL)99.08%
Lightness42.55%
Dominant channelGreen
Hex per channelR 01 · G D8 · B C9

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Every value on this page was computed from “01d8c9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.