Colour

#643A16

#643A16
Orange
Dark
Nearest: Saddle brown

#643A16 is a orange with RGB values 100, 58, 22 and HSL 28°, 64%, 24%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#643A16#643A16

HEX#643A16

RGBrgb(100, 58, 22)

RGB (0–1)0.3922, 0.2275, 0.0863

RGB percentages39.2%, 22.7%, 8.6%

HSLhsl(27.7, 63.9%, 23.9%)

HSV / HSBhsv(27.7, 78%, 39.2%)

CMYK0%, 42%, 78%, 60.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,568,470

CSS custom property--colour: #643A16;

Brightness & contrast

Relative luminance0.05793WCAG 2.x, 0 is black and 1 is white

Perceived brightness70.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.73:1

Contrast with white9.73:1WCAG normal text: AAA

Contrast with black2.16:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#9BC5E9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#473E12no red cones; affects about 1% of men; ΔE 17.7 from the original

Deuteranopia#514816no green cones; the most common form, about 1% of men; ΔE 18.3 from the original

Tritanopia#6E3132no blue cones; rare, and affects men and women equally; ΔE 20.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.73:1WCAG large text: AAA

Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 18.3 Sienna · ΔE 21.5 Maroon · ΔE 34.1 Brown · ΔE 35.5 Dim grey · ΔE 36.5 Dark olivegreen · ΔE 36.6

Nearest named CSS colourSaddle brown (#8B4513)ΔE 18.32, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#164064

Analogous#641619, #646116

Triadic#16643A, #3A1664

Split complementary#166461, #161964

Tetradic#196416, #164064, #611664

Tints, shades & saturation

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

Lighter +40%#DE9E68

Lighter +30%#D5843E

Lighter +20%#B86A28

Lighter +10%#8E521F

Darker −10%#3A220D

Darker −20%#100A04

Darker −30%#000000

Darker −40%#000000

More saturated +25%#733907

Less saturated −25%#553B25

Channel breakdown

R100

G58

B22

Red100 (39.2%)

Green58 (22.7%)

Blue22 (8.6%)

Hue27.69°

Saturation (HSL)63.93%

Lightness23.92%

Dominant channelRed

Hex per channelR 64 · G 3A · B 16

Keep nerding

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#643A16

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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