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Recognised as Colour

#31DDCB

  • #31DDCB
  • Cyan
  • Light
  • Nearest: Turquoise

#31DDCB is a cyan with RGB values 49, 221, 203 and HSL 174°, 72%, 53%. 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

#31DDCB#31DDCB
HEX#31DDCB
RGBrgb(49, 221, 203)
RGB (0–1)0.1922, 0.8667, 0.7961
RGB percentages19.2%, 86.7%, 79.6%
HSLhsl(173.7, 71.7%, 52.9%)
HSV / HSBhsv(173.7, 77.8%, 86.7%)
CMYK77.8%, 0%, 8.1%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,268,043
CSS custom property--colour: #31DDCB;

Brightness & contrast

Relative luminance0.56678WCAG 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#B7B7B7
Inverted#CE2234

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D2D0CAno red cones; affects about 1% of men; ΔE 46 from the original
Deuteranopia#BBBFCDno green cones; the most common form, about 1% of men; ΔE 47.4 from the original
Tritanopia#00E2D7no blue cones; rare, and affects men and women equally; ΔE 4.7 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

Turquoise · ΔE 2.2Medium turquoise · ΔE 10.3Dark turquoise · ΔE 12.6Medium aquamarine · ΔE 14.4Aqua · ΔE 15.7Cyan · ΔE 15.7
Nearest named CSS colourTurquoise (#40E0D0)ΔE 2.24, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD3143
Analogous#31DD75, #3199DD
Triadic#CB31DD, #DDCB31
Split complementary#DD3199, #DD7531
Tetradic#7531DD, #DD3143, #99DD31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0FAF7
Lighter +30%#B4F3EC
Lighter +20%#89EBE1
Lighter +10%#5DE4D6
Darker −10%#1FBCAC
Darker −20%#189084
Darker −30%#11645C
Darker −40%#093934
More saturated +25%#13FBE3
Less saturated −25%#4FBFB3

Channel breakdown

R49
G221
B203
Red49 (19.2%)
Green221 (86.7%)
Blue203 (79.6%)
Hue173.72°
Saturation (HSL)71.67%
Lightness52.94%
Dominant channelGreen
Hex per channelR 31 · G DD · B CB

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