Colour

#66512A

#66512A
Orange
Dark
Nearest: Dark olivegreen

#66512A is a orange with RGB values 102, 81, 42 and HSL 39°, 42%, 28%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#66512A#66512A

HEX#66512A

RGBrgb(102, 81, 42)

RGB (0–1)0.4, 0.3176, 0.1647

RGB percentages40%, 31.8%, 16.5%

HSLhsl(39, 41.7%, 28.2%)

HSV / HSBhsv(39, 58.8%, 40%)

CMYK0%, 20.6%, 58.8%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,705,450

CSS custom property--colour: #66512A;

Brightness & contrast

Relative luminance0.08877WCAG 2.x, 0 is black and 1 is white

Perceived brightness84.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.57:1

Contrast with white7.57:1WCAG normal text: AAA

Contrast with black2.78:1WCAG normal text: Fail

Greyscale equivalent#535353

Inverted#99AED5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5A5127no red cones; affects about 1% of men; ΔE 6.2 from the original

Deuteranopia#5F562Bno green cones; the most common form, about 1% of men; ΔE 6.3 from the original

Tritanopia#6E4B48no blue cones; rare, and affects men and women equally; ΔE 21.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.57:1WCAG large text: AAA

Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 23.7 Saddle brown · ΔE 27.5 Dim grey · ΔE 27.6 Sienna · ΔE 28.7 Gray · ΔE 31.7 Dark slate grey · ΔE 33.7

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 23.69, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2A3F66

Analogous#66332A, #5D662A

Triadic#2A6651, #512A66

Split complementary#2A5D66, #332A66

Tetradic#2A6633, #2A3F66, #662A5D

Tints, shades & saturation

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

Lighter +40%#D0B88C

Lighter +30%#C1A268

Lighter +20%#AE8A48

Lighter +10%#8A6E39

Darker −10%#42341B

Darker −20%#1E180C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#785618

Less saturated −25%#544C3C

Channel breakdown

R102

G81

B42

Red102 (40%)

Green81 (31.8%)

Blue42 (16.5%)

Hue39°

Saturation (HSL)41.67%

Lightness28.24%

Dominant channelRed

Hex per channelR 66 · G 51 · B 2A

Keep nerding

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

#66512A

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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