Colour

#581C06

#581C06
Orange
Dark
Nearest: Saddle brown

#581C06 is a orange with RGB values 88, 28, 6 and HSL 16°, 87%, 18%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#581C06#581C06

HEX#581C06

RGBrgb(88, 28, 6)

RGB (0–1)0.3451, 0.1098, 0.0235

RGB percentages34.5%, 11%, 2.4%

HSLhsl(16.1, 87.2%, 18.4%)

HSV / HSBhsv(16.1, 93.2%, 34.5%)

CMYK0%, 68.2%, 93.2%, 65.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,774,342

CSS custom property--colour: #581C06;

Brightness & contrast

Relative luminance0.02918WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.26:1

Contrast with white13.26:1WCAG normal text: AAA

Contrast with black1.58:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#A7E3F9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D2703no red cones; affects about 1% of men; ΔE 29.6 from the original

Deuteranopia#3C3504no green cones; the most common form, about 1% of men; ΔE 29.8 from the original

Tritanopia#620B18no blue cones; rare, and affects men and women equally; ΔE 14.4 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text13.26:1WCAG large text: AAA

Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 22.7 Maroon · ΔE 24.9 Sienna · ΔE 25.8 Brown · ΔE 29.4 Dark red · ΔE 29.6 Firebrick · ΔE 36.8

Nearest named CSS colourSaddle brown (#8B4513)ΔE 22.7, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#064258

Analogous#580619, #584506

Triadic#06581C, #1C0658

Split complementary#065845, #061958

Tetradic#195806, #064258, #450658

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#F16A39

Lighter +30%#E74A10

Lighter +20%#B73A0D

Lighter +10%#882B09

Darker −10%#280D03

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#5E1900

Less saturated −25%#4C2112

Channel breakdown

R88

G28

Red88 (34.5%)

Green28 (11%)

Blue6 (2.4%)

Hue16.1°

Saturation (HSL)87.23%

Lightness18.43%

Dominant channelRed

Hex per channelR 58 · G 1C · B 06

Keep nerding

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#581C06

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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