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Recognised as Colour

#31CCB5

  • #31CCB5
  • Cyan
  • Dark
  • Nearest: Turquoise

#31CCB5 is a cyan with RGB values 49, 204, 181 and HSL 171°, 61%, 50%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#31CCB5#31CCB5
HEX#31CCB5
RGBrgb(49, 204, 181)
RGB (0–1)0.1922, 0.8, 0.7098
RGB percentages19.2%, 80%, 71%
HSLhsl(171.1, 61.3%, 49.6%)
HSV / HSBhsv(171.1, 76%, 80%)
CMYK76%, 0%, 11.3%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,263,669
CSS custom property--colour: #31CCB5;

Brightness & contrast

Relative luminance0.47175WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.43:1
Contrast with white2.01:1WCAG normal text: Fail
Contrast with black10.43:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#CE334A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C3C0B4no red cones; affects about 1% of men; ΔE 43.8 from the original
Deuteranopia#AEB0B7no green cones; the most common form, about 1% of men; ΔE 45.2 from the original
Tritanopia#00D0C5no blue cones; rare, and affects men and women equally; ΔE 7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.01:1WCAG large text: Fail
Contrast with black, large text10.43:1WCAG large text: AAA

Named colours

Turquoise · ΔE 8.1Medium aquamarine · ΔE 10.2Medium turquoise · ΔE 11.3Light seagreen · ΔE 12.7Dark turquoise · ΔE 14.4Aquamarine · ΔE 20.2
Nearest named CSS colourTurquoise (#40E0D0)ΔE 8.15, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC3148
Analogous#31CC68, #3195CC
Triadic#B531CC, #CCB531
Split complementary#CC3195, #CC6831
Tetradic#6831CC, #CC3148, #95CC31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4F5F0
Lighter +30%#ABEBE1
Lighter +20%#82E1D3
Lighter +10%#59D7C4
Darker −10%#27A391
Darker −20%#1D7A6C
Darker −30%#135148
Darker −40%#092823
More saturated +25%#11ECCB
Less saturated −25%#51AC9F

Channel breakdown

R49
G204
B181
Red49 (19.2%)
Green204 (80%)
Blue181 (71%)
Hue171.1°
Saturation (HSL)61.26%
Lightness49.61%
Dominant channelGreen
Hex per channelR 31 · G CC · B B5

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Every value on this page was computed from “31ccb5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.