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Colour

#008B81

  • #008B81
  • Cyan
  • Dark
  • Nearest: Dark cyan

#008B81 is a cyan with RGB values 0, 139, 129 and HSL 176°, 100%, 27%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dark cyan.

Colour values

#008B81#008B81
HEX#008B81
RGBrgb(0, 139, 129)
RGB (0–1)0, 0.5451, 0.5059
RGB percentages0%, 54.5%, 50.6%
HSLhsl(175.7, 100%, 27.3%)
HSV / HSBhsv(175.7, 100%, 54.5%)
CMYK100%, 0%, 7.2%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer35,713
CSS custom property--colour: #008B81;

Brightness & contrast

Relative luminance0.2005WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.01:1
Contrast with white4.19:1WCAG normal text: Fail
Contrast with black5.01:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#FF747E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#838281no red cones; affects about 1% of men; ΔE 34.3 from the original
Deuteranopia#737782no green cones; the most common form, about 1% of men; ΔE 34.8 from the original
Tritanopia#008F88no blue cones; rare, and affects men and women equally; ΔE 2.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.19:1WCAG large text: AA
Contrast with black, large text5.01:1WCAG large text: AAA

Named colours

Dark cyan · ΔE 6.2Teal · ΔE 7.8Light seagreen · ΔE 14.6Cadetblue · ΔE 17.3Sea green · ΔE 24.4Medium turquoise · ΔE 25.7
Nearest named CSS colourDark cyan (#008B8B)ΔE 6.2, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B000A
Analogous#008B3B, #00508B
Triadic#81008B, #8B8100
Split complementary#8B0050, #8B3B00
Tetradic#3B008B, #8B000A, #508B00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#58FFF3
Lighter +30%#25FFEF
Lighter +20%#00F1E0
Lighter +10%#00BEB0
Darker −10%#005852
Darker −20%#002522
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008B81
Less saturated −25%#117A72

Channel breakdown

R0
G139
B129
Red0 (0%)
Green139 (54.5%)
Blue129 (50.6%)
Hue175.68°
Saturation (HSL)100%
Lightness27.25%
Dominant channelGreen
Hex per channelR 00 · G 8B · B 81

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Every value on this page was computed from “008b81” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.