Colour

#A66F37

#A66F37
Orange
Dark
Nearest: Peru

#A66F37 is a orange with RGB values 166, 111, 55 and HSL 30°, 50%, 43%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#A66F37#A66F37

HEX#A66F37

RGBrgb(166, 111, 55)

RGB (0–1)0.651, 0.4353, 0.2157

RGB percentages65.1%, 43.5%, 21.6%

HSLhsl(30.3, 50.2%, 43.3%)

HSV / HSBhsv(30.3, 66.9%, 65.1%)

CMYK0%, 33.1%, 66.9%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,907,447

CSS custom property--colour: #A66F37;

Brightness & contrast

Relative luminance0.19752WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.95:1

Contrast with white4.24:1WCAG normal text: Fail

Contrast with black4.95:1WCAG normal text: AA

Greyscale equivalent#777777

Inverted#5990C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#807331no red cones; affects about 1% of men; ΔE 20.3 from the original

Deuteranopia#8D8038no green cones; the most common form, about 1% of men; ΔE 20.9 from the original

Tritanopia#B56362no blue cones; rare, and affects men and women equally; ΔE 29.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.24:1WCAG large text: AA

Contrast with black, large text4.95:1WCAG large text: AAA

Named colours

Peru · ΔE 14.3 Sienna · ΔE 15.6 Saddle brown · ΔE 17.5 Sandy brown · ΔE 24.6 Dark salmon · ΔE 24.7 Dark goldenrod · ΔE 25.5

Nearest named CSS colourPeru (#CD853F)ΔE 14.32, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#376EA6

Analogous#A63737, #A6A637

Triadic#37A66F, #6F37A6

Split complementary#37A6A6, #3737A6

Tetradic#37A637, #376EA6, #A637A6

Tints, shades & saturation

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

Lighter +40%#EAD5BF

Lighter +30%#DDBB99

Lighter +20%#D0A273

Lighter +10%#C4894C

Darker −10%#80552A

Darker −20%#593C1E

Darker −30%#332211

Darker −40%#0D0904

More saturated +25%#C26F1B

Less saturated −25%#8A6F53

Channel breakdown

R166

G111

B55

Red166 (65.1%)

Green111 (43.5%)

Blue55 (21.6%)

Hue30.27°

Saturation (HSL)50.23%

Lightness43.33%

Dominant channelRed

Hex per channelR A6 · G 6F · B 37

Keep nerding

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

#A66F37

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

Nerdulate something else