#634F11#634F11

#634F11 is a dark, moderate yellow. Relative luminance 0.083; OKLCH L 43.7% C 0.081 H 89.8°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#634F11
RGB	rgb(99, 79, 17)
HSL	hsl(45, 71%, 23%)
HSV	hsv(45, 83%, 39%)
CMYK	cmyk(0%, 20.2%, 82.8%, 61.2%)
CIE-LAB	lab(34.57, 1.54, 37.15)
CIE-LCH	lch(34.57, 37.18, 87.63°)
OKLab	oklab(43.66% 0.0002 0.081)
OKLCH	oklch(43.66% 0.081 89.8)
XYZ	xyz(8.0432, 8.2856, 1.7058)
Luminance	0.0828 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634F11 #112563

analogous

#632611 #634F11 #4E6311

triadic

#634F11 #11634F #4F1163

tetradic

#634F11 #116326 #112563 #63114E

square

#634F11 #116326 #112563 #63114E

split-complementary

#634F11 #114E63 #261163

monochromatic

#1A1504 #2F2508 #634F11 #97791A #CBA223

Accessibility & contrast

On white

7.90

#634F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#634F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #634F11

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634F11	#FFFFFF	#000000	##FFFFFF
##634F11	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E05

Deuteranopia (green-blind)

#5E5415

Tritanopia (blue-blind)

#6C4743

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #634f11;
/* rgb */ color: rgb(99, 79, 17);
/* oklch */ color: oklch(43.7% 0.081 89.8);

Tailwind

colors: {
  custom: {
    50: '#938055',
    500: '#634f11',
    950: '#000000',
  },
}

SCSS

$custom: #634f11;
$custom-light: #938055;
$custom-dark: #000000;

JSON

{
  "hex": "#634f11",
  "rgb": {
    "r": 99,
    "g": 79,
    "b": 17
  },
  "hsl": {
    "h": 45.366,
    "s": 70.69,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43656,
    "c": 0.08099,
    "h": 89.8
  },
  "luminance": 0.08285
}

Semantic roles & 50–950 ramp

primary

#634F11

secondary

#344E9B

accent

#66ED3A

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A03

muted

#7E7C78

Preview Lab

Preview with #634F11

Body copy rendered with the generated semantic roles for this colour.

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