Recognised as Colour

#66531D

#66531D
Orange
Dark
Nearest: Dark olivegreen

#66531D is a orange with RGB values 102, 83, 29 and HSL 44°, 56%, 26%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#66531D#66531D

HEX#66531D

RGBrgb(102, 83, 29)

RGB (0–1)0.4, 0.3255, 0.1137

RGB percentages40%, 32.5%, 11.4%

HSLhsl(44.4, 55.7%, 25.7%)

HSV / HSBhsv(44.4, 71.6%, 40%)

CMYK0%, 18.6%, 71.6%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,705,949

CSS custom property--colour: #66531D;

Brightness & contrast

Relative luminance0.091WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.45:1

Contrast with white7.45:1WCAG normal text: AAA

Contrast with black2.82:1WCAG normal text: Fail

Greyscale equivalent#535353

Inverted#99ACE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5D5216no red cones; affects about 1% of men; ΔE 4.8 from the original

Deuteranopia#61571Fno green cones; the most common form, about 1% of men; ΔE 4.8 from the original

Tritanopia#6F4C48no blue cones; rare, and affects men and women equally; ΔE 28.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.45:1WCAG large text: AAA

Contrast with black, large text2.82:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 21.2 Saddle brown · ΔE 26.3 Sienna · ΔE 29.2 Olive · ΔE 31.4 Dim grey · ΔE 34.5 Peru · ΔE 35.6

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 21.17, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D3066

Analogous#662E1D, #55661D

Triadic#1D6653, #531D66

Split complementary#1D5566, #2E1D66

Tetradic#1D662E, #1D3066, #661D55

Tints, shades & saturation

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

Lighter +40%#D8BF77

Lighter +30%#CDAC4F

Lighter +20%#B59434

Lighter +10%#8E7328

Darker −10%#3E3312

Darker −20%#171206

Darker −30%#000000

Darker −40%#000000

More saturated +25%#765B0D

Less saturated −25%#564B2D

Channel breakdown

R102

G83

B29

Red102 (40%)

Green83 (32.5%)

Blue29 (11.4%)

Hue44.38°

Saturation (HSL)55.73%

Lightness25.69%

Dominant channelRed

Hex per channelR 66 · G 53 · B 1D

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#66531D

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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