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Colour

#18D6BF

  • #18D6BF
  • Cyan
  • Light
  • Nearest: Turquoise

#18D6BF is a cyan with RGB values 24, 214, 191 and HSL 173°, 80%, 47%. It is a light colour, so black text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#18D6BF#18D6BF
HEX#18D6BF
RGBrgb(24, 214, 191)
RGB (0–1)0.0941, 0.8392, 0.749
RGB percentages9.4%, 83.9%, 74.9%
HSLhsl(172.7, 79.8%, 46.7%)
HSV / HSBhsv(172.7, 88.8%, 83.9%)
CMYK88.8%, 0%, 10.7%, 16.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,627,839
CSS custom property--colour: #18D6BF;

Brightness & contrast

Relative luminance0.52049WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.41:1
Contrast with white1.84:1WCAG normal text: Fail
Contrast with black11.41:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#E72940

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CCC9BEno red cones; affects about 1% of men; ΔE 47.6 from the original
Deuteranopia#B5B8C1no green cones; the most common form, about 1% of men; ΔE 48.8 from the original
Tritanopia#00DACFno blue cones; rare, and affects men and women equally; ΔE 6.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.84:1WCAG large text: Fail
Contrast with black, large text11.41:1WCAG large text: AAA

Named colours

Turquoise · ΔE 6.3Medium turquoise · ΔE 12.9Medium aquamarine · ΔE 13.3Dark turquoise · ΔE 15Light seagreen · ΔE 16.4Aquamarine · ΔE 18.3
Nearest named CSS colourTurquoise (#40E0D0)ΔE 6.35, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D6182F
Analogous#18D660, #188ED6
Triadic#BF18D6, #D6BF18
Split complementary#D6188E, #D66018
Tetradic#6018D6, #D6182F, #8ED618

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2F8F2
Lighter +30%#94F3E7
Lighter +20%#66EEDD
Lighter +10%#38E9D3
Darker −10%#13A896
Darker −20%#0E7A6D
Darker −30%#094C44
Darker −40%#031F1B
More saturated +25%#00EED1
Less saturated −25%#36B8A8

Channel breakdown

R24
G214
B191
Red24 (9.4%)
Green214 (83.9%)
Blue191 (74.9%)
Hue172.74°
Saturation (HSL)79.83%
Lightness46.67%
Dominant channelGreen
Hex per channelR 18 · G D6 · B BF

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Every value on this page was computed from “18d6bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.