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Colour

#129F8A

  • #129F8A
  • Cyan
  • Dark
  • Nearest: Light seagreen

#129F8A is a cyan with RGB values 18, 159, 138 and HSL 171°, 80%, 35%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Light seagreen.

Colour values

#129F8A#129F8A
HEX#129F8A
RGBrgb(18, 159, 138)
RGB (0–1)0.0706, 0.6235, 0.5412
RGB percentages7.1%, 62.4%, 54.1%
HSLhsl(171.1, 79.7%, 34.7%)
HSV / HSBhsv(171.1, 88.7%, 62.4%)
CMYK88.7%, 0%, 13.2%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,220,490
CSS custom property--colour: #129F8A;

Brightness & contrast

Relative luminance0.2676WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.35:1
Contrast with white3.31:1WCAG normal text: Fail
Contrast with black6.35:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#ED6075

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#989589no red cones; affects about 1% of men; ΔE 38.6 from the original
Deuteranopia#87888Cno green cones; the most common form, about 1% of men; ΔE 39.8 from the original
Tritanopia#00A299no blue cones; rare, and affects men and women equally; ΔE 7.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.31:1WCAG large text: AA
Contrast with black, large text6.35:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 10.5Dark cyan · ΔE 14.9Teal · ΔE 17.7Medium aquamarine · ΔE 18.4Sea green · ΔE 20.1Medium turquoise · ΔE 20.6
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 10.48, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F1227
Analogous#129F43, #126E9F
Triadic#8A129F, #9F8A12
Split complementary#9F126E, #9F4312
Tetradic#43129F, #9F1227, #6E9F12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8BF2E3
Lighter +30%#5DEDD7
Lighter +20%#2FE8CC
Lighter +10%#17CDB2
Darker −10%#0D7162
Darker −20%#08433A
Darker −30%#021613
Darker −40%#000000
More saturated +25%#00B197
Less saturated −25%#28897A

Channel breakdown

R18
G159
B138
Red18 (7.1%)
Green159 (62.4%)
Blue138 (54.1%)
Hue171.06°
Saturation (HSL)79.66%
Lightness34.71%
Dominant channelGreen
Hex per channelR 12 · G 9F · B 8A

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Every value on this page was computed from “129f8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.