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Recognised as Colour

#15311F

  • #15311F
  • Green
  • Dark
  • Nearest: Dark slate grey

#15311F is a green with RGB values 21, 49, 31 and HSL 141°, 40%, 14%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#15311F#15311F
HEX#15311F
RGBrgb(21, 49, 31)
RGB (0–1)0.0824, 0.1922, 0.1216
RGB percentages8.2%, 19.2%, 12.2%
HSLhsl(141.4, 40%, 13.7%)
HSV / HSBhsv(141.4, 57.1%, 19.2%)
CMYK57.1%, 0%, 36.7%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,388,831
CSS custom property--colour: #15311F;

Brightness & contrast

Relative luminance0.02455WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.08:1
Contrast with white14.08:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#EACEE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#312D1Eno red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#2D2A20no green cones; the most common form, about 1% of men; ΔE 15.1 from the original
Tritanopia#0F302Cno blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.08:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.6Black · ΔE 25.1Dim grey · ΔE 32.1Dark olivegreen · ΔE 33.3Teal · ΔE 37.2Gray · ΔE 40
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.55, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#311527
Analogous#193115, #15312D
Triadic#1F1531, #311F15
Split complementary#2D1531, #311519
Tetradic#151931, #311527, #312D15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5AB87C
Lighter +30%#439C63
Lighter +20%#34784C
Lighter +10%#245536
Darker −10%#060D08
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C3A1D
Less saturated −25%#1E2822

Channel breakdown

R21
G49
B31
Red21 (8.2%)
Green49 (19.2%)
Blue31 (12.2%)
Hue141.43°
Saturation (HSL)40%
Lightness13.73%
Dominant channelGreen
Hex per channelR 15 · G 31 · B 1F

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Every value on this page was computed from “15311f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.