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Recognised as Colour

#1FB183

  • #1FB183
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#1FB183 is a cyan with RGB values 31, 177, 131 and HSL 161°, 70%, 41%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#1FB183#1FB183
HEX#1FB183
RGBrgb(31, 177, 131)
RGB (0–1)0.1216, 0.6941, 0.5137
RGB percentages12.2%, 69.4%, 51.4%
HSLhsl(161.1, 70.2%, 40.8%)
HSV / HSBhsv(161.1, 82.5%, 69.4%)
CMYK82.5%, 0%, 26%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,077,059
CSS custom property--colour: #1FB183;

Brightness & contrast

Relative luminance0.33374WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.67:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.67:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#E04E7C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ADA480no red cones; affects about 1% of men; ΔE 45.5 from the original
Deuteranopia#9C9786no green cones; the most common form, about 1% of men; ΔE 46.5 from the original
Tritanopia#00B1A4no blue cones; rare, and affects men and women equally; ΔE 18.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.67:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 11Medium aquamarine · ΔE 15.4Sea green · ΔE 16.5Light seagreen · ΔE 22.1Turquoise · ΔE 24.4Dark seagreen · ΔE 25.4
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 11.01, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B11F4D
Analogous#1FB13A, #1F96B1
Triadic#831FB1, #B1831F
Split complementary#B11F96, #B13A1F
Tetradic#3A1FB1, #B11F4D, #96B11F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACF0DB
Lighter +30%#80E9C8
Lighter +20%#55E1B5
Lighter +10%#29DAA2
Darker −10%#178663
Darker −20%#105A43
Darker −30%#082F23
Darker −40%#010303
More saturated +25%#05CB8D
Less saturated −25%#399779

Channel breakdown

R31
G177
B131
Red31 (12.2%)
Green177 (69.4%)
Blue131 (51.4%)
Hue161.1°
Saturation (HSL)70.19%
Lightness40.78%
Dominant channelGreen
Hex per channelR 1F · G B1 · B 83

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Every value on this page was computed from “1fb183” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.