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Colour

#331F00

  • #331F00
  • Orange
  • Dark
  • Nearest: Black

#331F00 is a orange with RGB values 51, 31, 0 and HSL 36°, 100%, 10%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#331F00#331F00
HEX#331F00
RGBrgb(51, 31, 0)
RGB (0–1)0.2, 0.1216, 0
RGB percentages20%, 12.2%, 0%
HSLhsl(36.5, 100%, 10%)
HSV / HSBhsv(36.5, 100%, 20%)
CMYK0%, 39.2%, 100%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,350,272
CSS custom property--colour: #331F00;

Brightness & contrast

Relative luminance0.01684WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.71:1
Contrast with white15.71:1WCAG normal text: AAA
Contrast with black1.34:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#CCE0FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#262000no red cones; affects about 1% of men; ΔE 8.6 from the original
Deuteranopia#2B2501no green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#391A19no blue cones; rare, and affects men and women equally; ΔE 15.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.71:1WCAG large text: AAA
Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 25.4Dark slate grey · ΔE 34.9Saddle brown · ΔE 37.2Dim grey · ΔE 37.4Dark olivegreen · ΔE 39.4Sienna · ΔE 40.7
Nearest named CSS colourBlack (#000000)ΔE 25.45, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#001433
Analogous#330600, #2D3300
Triadic#00331F, #1F0033
Split complementary#002D33, #060033
Tetradic#003306, #001433, #33002D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FF9B00
Lighter +30%#CC7C00
Lighter +20%#995D00
Lighter +10%#663E00
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#331F00
Less saturated −25%#2D1E06

Channel breakdown

R51
G31
B0
Red51 (20%)
Green31 (12.2%)
Blue0 (0%)
Hue36.47°
Saturation (HSL)100%
Lightness10%
Dominant channelRed
Hex per channelR 33 · G 1F · B 00

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Every value on this page was computed from “331f00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.