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Recognised as Colour

#09A990

  • #09A990
  • Cyan
  • Dark
  • Nearest: Light seagreen

#09A990 is a cyan with RGB values 9, 169, 144 and HSL 171°, 90%, 35%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#09A990#09A990
HEX#09A990
RGBrgb(9, 169, 144)
RGB (0–1)0.0353, 0.6627, 0.5647
RGB percentages3.5%, 66.3%, 56.5%
HSLhsl(170.6, 89.9%, 34.9%)
HSV / HSBhsv(170.6, 94.7%, 66.3%)
CMYK94.7%, 0%, 14.8%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer633,232
CSS custom property--colour: #09A990;

Brightness & contrast

Relative luminance0.30448WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.09:1
Contrast with white2.96:1WCAG normal text: Fail
Contrast with black7.09:1WCAG normal text: AAA
Greyscale equivalent#858585
Inverted#F6566F

Colour vision & accessibility

Protanopia#A29E8Fno red cones; affects about 1% of men; ΔE 41.6 from the original
Deuteranopia#909092no green cones; the most common form, about 1% of men; ΔE 42.9 from the original
Tritanopia#00ACA2no blue cones; rare, and affects men and women equally; ΔE 8.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.96:1WCAG large text: Fail
Contrast with black, large text7.09:1WCAG large text: AAA

Named colours

Nearest named CSS colourLight seagreen (#20B2AA)ΔE 10.84, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#A90922
Analogous#09A940, #0972A9
Triadic#9009A9, #A99009
Split complementary#A90972, #A94009
Tetradic#4009A9, #A90922, #72A909

Tints, shades & saturation

Lighter +40%#85F9E7
Lighter +30%#55F6DD
Lighter +20%#25F3D3
Lighter +10%#0CD9B9
Darker −10%#067967
Darker −20%#04483D
Darker −30%#011814
Darker −40%#000000
More saturated +25%#00B296
Less saturated −25%#1F9381

Channel breakdown

R9
G169
B144
Red9 (3.5%)
Green169 (66.3%)
Blue144 (56.5%)
Hue170.63°
Saturation (HSL)89.89%
Lightness34.9%
Dominant channelGreen
Hex per channelR 09 · G A9 · B 90

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Every value on this page was computed from “09a990” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.