Colour

#635A11

#635A11
Yellow
Dark
Nearest: Dark olivegreen

#635A11 is a yellow with RGB values 99, 90, 17 and HSL 53°, 71%, 23%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#635A11#635A11

HEX#635A11

RGBrgb(99, 90, 17)

RGB (0–1)0.3882, 0.3529, 0.0667

RGB percentages38.8%, 35.3%, 6.7%

HSLhsl(53.4, 70.7%, 22.7%)

HSV / HSBhsv(53.4, 82.8%, 38.8%)

CMYK0%, 9.1%, 82.8%, 61.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,511,121

CSS custom property--colour: #635A11;

Brightness & contrast

Relative luminance0.10005WCAG 2.x, 0 is black and 1 is white

Perceived brightness87.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7:1

Contrast with white7:1WCAG normal text: AA

Contrast with black3:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#9CA5EE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635702no red cones; affects about 1% of men; ΔE 4.1 from the original

Deuteranopia#665B17no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#6B534Cno blue cones; rare, and affects men and women equally; ΔE 35.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

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

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

Named colours

Dark olivegreen · ΔE 17.3 Olive · ΔE 23.1 Olivedrab · ΔE 30.2 Saddle brown · ΔE 31.5 Dark goldenrod · ΔE 34.5 Sienna · ΔE 35.2

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 17.33, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#111A63

Analogous#633111, #436311

Triadic#11635A, #5A1163

Split complementary#114363, #311163

Tetradic#116331, #111A63, #631143

Tints, shades & saturation

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

Lighter +40%#E3D45D

Lighter +30%#DCC931

Lighter +20%#BAA920

Lighter +10%#8F8218

Darker −10%#37320A

Darker −20%#0C0B02

Darker −30%#000000

Darker −40%#000000

More saturated +25%#726502

Less saturated −25%#554F1F

Channel breakdown

R99

G90

B17

Red99 (38.8%)

Green90 (35.3%)

Blue17 (6.7%)

Hue53.41°

Saturation (HSL)70.69%

Lightness22.75%

Dominant channelRed

Hex per channelR 63 · G 5A · B 11

Keep nerding

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#635A11

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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