Colour

#665F31

#665F31
Yellow
Dark
Nearest: Dark olivegreen

#665F31 is a yellow with RGB values 102, 95, 49 and HSL 52°, 35%, 30%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#665F31#665F31

HEX#665F31

RGBrgb(102, 95, 49)

RGB (0–1)0.4, 0.3725, 0.1922

RGB percentages40%, 37.3%, 19.2%

HSLhsl(52.1, 35.1%, 29.6%)

HSV / HSBhsv(52.1, 52%, 40%)

CMYK0%, 6.9%, 52%, 60%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,709,041

CSS custom property--colour: #665F31;

Brightness & contrast

Relative luminance0.11231WCAG 2.x, 0 is black and 1 is white

Perceived brightness93.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.47:1

Contrast with white6.47:1WCAG normal text: AA

Contrast with black3.25:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#99A0CE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#675D2Dno red cones; affects about 1% of men; ΔE 2.1 from the original

Deuteranopia#695F33no green cones; the most common form, about 1% of men; ΔE 1.8 from the original

Tritanopia#6D5954no blue cones; rare, and affects men and women equally; ΔE 24.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.47:1WCAG large text: AAA

Contrast with black, large text3.25:1WCAG large text: AA

Named colours

Dark olivegreen · ΔE 15.2 Dim grey · ΔE 27.8 Gray · ΔE 30.7 Dark slate grey · ΔE 32.9 Olive · ΔE 33 Saddle brown · ΔE 33.7

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 15.19, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#313866

Analogous#664531, #526631

Triadic#31665F, #5F3166

Split complementary#315266, #453166

Tetradic#316645, #313866, #663152

Tints, shades & saturation

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

Lighter +40%#CDC696

Lighter +30%#BCB374

Lighter +20%#AB9F52

Lighter +10%#887F42

Darker −10%#443F20

Darker −20%#211F10

Darker −30%#000000

Darker −40%#000000

More saturated +25%#796D1E

Less saturated −25%#535144

Channel breakdown

R102

G95

B49

Red102 (40%)

Green95 (37.3%)

Blue49 (19.2%)

Hue52.08°

Saturation (HSL)35.1%

Lightness29.61%

Dominant channelRed

Hex per channelR 66 · G 5F · B 31

Keep nerding

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#665F31

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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