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Recognised as Colour

#31B29E

  • #31B29E
  • Cyan
  • Dark
  • Nearest: Light seagreen

#31B29E is a cyan with RGB values 49, 178, 158 and HSL 171°, 57%, 45%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#31B29E#31B29E
HEX#31B29E
RGBrgb(49, 178, 158)
RGB (0–1)0.1922, 0.698, 0.6196
RGB percentages19.2%, 69.8%, 62%
HSLhsl(170.7, 56.8%, 44.5%)
HSV / HSBhsv(170.7, 72.5%, 69.8%)
CMYK72.5%, 0%, 11.2%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,256,990
CSS custom property--colour: #31B29E;

Brightness & contrast

Relative luminance0.34962WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.99:1
Contrast with white2.63:1WCAG normal text: Fail
Contrast with black7.99:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#CE4D61

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AAA79Dno red cones; affects about 1% of men; ΔE 38.8 from the original
Deuteranopia#999AA0no green cones; the most common form, about 1% of men; ΔE 40.1 from the original
Tritanopia#00B5ACno blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.63:1WCAG large text: Fail
Contrast with black, large text7.99:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 6.8Medium aquamarine · ΔE 12.8Medium turquoise · ΔE 14.2Dark turquoise · ΔE 16.8Turquoise · ΔE 16.9Dark cyan · ΔE 18.4
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 6.76, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B23145
Analogous#31B25E, #3185B2
Triadic#9E31B2, #B29E31
Split complementary#B23185, #B25E31
Tetradic#5E31B2, #B23145, #85B231

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1EEE7
Lighter +30%#99E3D7
Lighter +20%#71D8C8
Lighter +10%#49CDB8
Darker −10%#268A7B
Darker −20%#1B6257
Darker −30%#103A34
Darker −40%#051210
More saturated +25%#15CEB2
Less saturated −25%#4D968A

Channel breakdown

R49
G178
B158
Red49 (19.2%)
Green178 (69.8%)
Blue158 (62%)
Hue170.7°
Saturation (HSL)56.83%
Lightness44.51%
Dominant channelGreen
Hex per channelR 31 · G B2 · B 9E

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Every value on this page was computed from “31b29e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.