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Recognised as Colour

#31DCB1

  • #31DCB1
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#31DCB1 is a cyan with RGB values 49, 220, 177 and HSL 165°, 71%, 53%. It is a light colour, so black text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#31DCB1#31DCB1
HEX#31DCB1
RGBrgb(49, 220, 177)
RGB (0–1)0.1922, 0.8627, 0.6941
RGB percentages19.2%, 86.3%, 69.4%
HSLhsl(164.9, 71%, 52.7%)
HSV / HSBhsv(164.9, 77.7%, 86.3%)
CMYK77.7%, 0%, 19.5%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,267,761
CSS custom property--colour: #31DCB1;

Brightness & contrast

Relative luminance0.55014WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12:1
Contrast with white1.75:1WCAG normal text: Fail
Contrast with black12:1WCAG normal text: AAA
Greyscale equivalent#B5B5B5
Inverted#CE234E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D5CDAFno red cones; affects about 1% of men; ΔE 50.4 from the original
Deuteranopia#C0BDB4no green cones; the most common form, about 1% of men; ΔE 51.7 from the original
Tritanopia#00DED0no blue cones; rare, and affects men and women equally; ΔE 15.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.75:1WCAG large text: Fail
Contrast with black, large text12:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 14.1Aquamarine · ΔE 14.5Turquoise · ΔE 15.6Medium seagreen · ΔE 20.8Medium turquoise · ΔE 23Light seagreen · ΔE 25
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 14.11, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DC315C
Analogous#31DC5C, #31B1DC
Triadic#B131DC, #DCB131
Split complementary#DC31B1, #DC5C31
Tetradic#5C31DC, #DC315C, #B1DC31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFFAF3
Lighter +30%#B4F2E3
Lighter +20%#88EBD2
Lighter +10%#5DE3C2
Darker −10%#20BA93
Darker −20%#188F71
Darker −30%#11634E
Darker −40%#09382C
More saturated +25%#13FAC0
Less saturated −25%#4FBEA2

Channel breakdown

R49
G220
B177
Red49 (19.2%)
Green220 (86.3%)
Blue177 (69.4%)
Hue164.91°
Saturation (HSL)70.95%
Lightness52.75%
Dominant channelGreen
Hex per channelR 31 · G DC · B B1

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Every value on this page was computed from “31dcb1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.