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Colour

#009581

  • #009581
  • Cyan
  • Dark
  • Nearest: Light seagreen

#009581 is a cyan with RGB values 0, 149, 129 and HSL 172°, 100%, 29%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Light seagreen.

Colour values

#009581#009581
HEX#009581
RGBrgb(0, 149, 129)
RGB (0–1)0, 0.5843, 0.5059
RGB percentages0%, 58.4%, 50.6%
HSLhsl(171.9, 100%, 29.2%)
HSV / HSBhsv(171.9, 100%, 58.4%)
CMYK100%, 0%, 13.4%, 41.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer38,273
CSS custom property--colour: #009581;

Brightness & contrast

Relative luminance0.2308WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.62:1
Contrast with white3.74:1WCAG normal text: Fail
Contrast with black5.62:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#FF6A7E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8E8B80no red cones; affects about 1% of men; ΔE 37.8 from the original
Deuteranopia#7E7F83no green cones; the most common form, about 1% of men; ΔE 38.9 from the original
Tritanopia#00988Fno blue cones; rare, and affects men and women equally; ΔE 6.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.74:1WCAG large text: AA
Contrast with black, large text5.62:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 13Dark cyan · ΔE 13Teal · ΔE 15.1Sea green · ΔE 19.3Cadetblue · ΔE 21.3Medium aquamarine · ΔE 21.8
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 13.01, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#950014
Analogous#009536, #005F95
Triadic#810095, #958100
Split complementary#95005F, #953600
Tetradic#360095, #950014, #5F9500

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#62FFEA
Lighter +30%#2FFFE3
Lighter +20%#00FBD9
Lighter +10%#00C8AD
Darker −10%#006255
Darker −20%#002F29
Darker −30%#000000
Darker −40%#000000
More saturated +25%#009581
Less saturated −25%#138273

Channel breakdown

R0
G149
B129
Red0 (0%)
Green149 (58.4%)
Blue129 (50.6%)
Hue171.95°
Saturation (HSL)100%
Lightness29.22%
Dominant channelGreen
Hex per channelR 00 · G 95 · B 81

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Every value on this page was computed from “hex 009581” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.