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Colour

#37331F

  • #37331F
  • Yellow
  • Dark
  • Nearest: Dark slate grey

#37331F is a yellow with RGB values 55, 51, 31 and HSL 50°, 28%, 17%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#37331F#37331F
HEX#37331F
RGBrgb(55, 51, 31)
RGB (0–1)0.2157, 0.2, 0.1216
RGB percentages21.6%, 20%, 12.2%
HSLhsl(50, 27.9%, 16.9%)
HSV / HSBhsv(50, 43.6%, 21.6%)
CMYK0%, 7.3%, 43.6%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,617,567
CSS custom property--colour: #37331F;

Brightness & contrast

Relative luminance0.03279WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.68:1
Contrast with white12.68:1WCAG normal text: AAA
Contrast with black1.66:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#C8CCE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#37321Eno red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#383320no green cones; the most common form, about 1% of men; ΔE 0.8 from the original
Tritanopia#3A302Eno blue cones; rare, and affects men and women equally; ΔE 12 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.68:1WCAG large text: AAA
Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 22.1Black · ΔE 25.1Dim grey · ΔE 26.9Dark olivegreen · ΔE 32.1Gray · ΔE 35.1Slate grey · ΔE 39.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22.14, a distinctly different colour
Hue familyyellow
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1F2337
Analogous#37271F, #2F371F
Triadic#1F3733, #331F37
Split complementary#1F2F37, #271F37
Tetradic#1F3727, #1F2337, #371F2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0A572
Lighter +30%#998E56
Lighter +20%#786F44
Lighter +10%#585131
Darker −10%#16150D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#423A14
Less saturated −25%#2C2C2A

Channel breakdown

R55
G51
B31
Red55 (21.6%)
Green51 (20%)
Blue31 (12.2%)
Hue50°
Saturation (HSL)27.91%
Lightness16.86%
Dominant channelRed
Hex per channelR 37 · G 33 · B 1F

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Every value on this page was computed from “37331f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.