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Recognised as Colour

#21271C

  • #21271C
  • Green
  • Dark
  • Nearest: Black

#21271C is a green with RGB values 33, 39, 28 and HSL 93°, 16%, 13%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#21271C#21271C
HEX#21271C
RGBrgb(33, 39, 28)
RGB (0–1)0.1294, 0.1529, 0.1098
RGB percentages12.9%, 15.3%, 11%
HSLhsl(92.7, 16.4%, 13.1%)
HSV / HSBhsv(92.7, 28.2%, 15.3%)
CMYK15.4%, 0%, 28.2%, 84.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,172,700
CSS custom property--colour: #21271C;

Brightness & contrast

Relative luminance0.01858WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.31:1
Contrast with white15.31:1WCAG normal text: AAA
Contrast with black1.37:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#DED8E3

Colour vision & accessibility

Protanopia#28251Bno red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#27251Cno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#212624no blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.31:1WCAG large text: AAA
Contrast with black, large text1.37:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 16.91, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#221C27
Analogous#27271C, #1C271D
Triadic#1C2127, #271C21
Split complementary#1D1C27, #271C27
Tetradic#1C2727, #221C27, #271D1C

Tints, shades & saturation

Lighter +40%#869B74
Lighter +30%#6C805C
Lighter +20%#536247
Lighter +10%#3A4531
Darker −10%#080907
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#202F14
Less saturated −25%#222222

Channel breakdown

R33
G39
B28
Red33 (12.9%)
Green39 (15.3%)
Blue28 (11%)
Hue92.73°
Saturation (HSL)16.42%
Lightness13.14%
Dominant channelGreen
Hex per channelR 21 · G 27 · B 1C

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Every value on this page was computed from “21271c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.