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Recognised as Colour

#009981

  • #009981
  • Cyan
  • Dark
  • Nearest: Light seagreen

#009981 is a cyan with RGB values 0, 153, 129 and HSL 171°, 100%, 30%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Light seagreen.

Colour values

#009981#009981
HEX#009981
RGBrgb(0, 153, 129)
RGB (0–1)0, 0.6, 0.5059
RGB percentages0%, 60%, 50.6%
HSLhsl(170.6, 100%, 30%)
HSV / HSBhsv(170.6, 100%, 60%)
CMYK100%, 0%, 15.7%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer39,297
CSS custom property--colour: #009981;

Brightness & contrast

Relative luminance0.24367WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.87:1
Contrast with white3.58:1WCAG normal text: Fail
Contrast with black5.87:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#FF667E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#938E80no red cones; affects about 1% of men; ΔE 39.7 from the original
Deuteranopia#828283no green cones; the most common form, about 1% of men; ΔE 40.4 from the original
Tritanopia#009B92no blue cones; rare, and affects men and women equally; ΔE 9.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.58:1WCAG large text: AA
Contrast with black, large text5.87:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 13.4Dark cyan · ΔE 15.8Sea green · ΔE 17.7Teal · ΔE 18Medium aquamarine · ΔE 20Cadetblue · ΔE 23.3
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 13.44, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#990018
Analogous#009935, #006499
Triadic#810099, #998100
Split complementary#990064, #993500
Tetradic#350099, #990018, #649900

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#66FFE7
Lighter +30%#33FFDF
Lighter +20%#00FFD7
Lighter +10%#00CCAC
Darker −10%#006656
Darker −20%#00332B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#009981
Less saturated −25%#138674

Channel breakdown

R0
G153
B129
Red0 (0%)
Green153 (60%)
Blue129 (50.6%)
Hue170.59°
Saturation (HSL)100%
Lightness30%
Dominant channelGreen
Hex per channelR 00 · G 99 · B 81

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Every value on this page was computed from “hex 009981” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.