#63511A#63511A

#63511A is a dark, moderate yellow. Relative luminance 0.086; OKLCH L 44.2% C 0.076 H 90.6°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#63511A
RGB	rgb(99, 81, 26)
HSL	hsl(45, 58%, 25%)
HSV	hsv(45, 74%, 39%)
CMYK	cmyk(0%, 18.2%, 73.7%, 61.2%)
CIE-LAB	lab(35.23, 0.80, 33.82)
CIE-LCH	lch(35.23, 33.83, 88.65°)
OKLab	oklab(44.2% -0.0007 0.0759)
OKLCH	oklch(44.2% 0.076 90.6)
XYZ	xyz(8.2749, 8.6126, 2.2036)
Luminance	0.0861 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63511A #1A2C63

analogous

#632C1A #63511A #51631A

triadic

#63511A #1A6351 #511A63

tetradic

#63511A #1A632C #1A2C63 #631A51

square

#63511A #1A632C #1A2C63 #631A51

split-complementary

#63511A #1A5163 #2C1A63

monochromatic

#181406 #33290D #63511A #937927 #C4A033

Accessibility & contrast

On white

7.71

#63511A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#63511A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63511A

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63511A	#FFFFFF	#000000	##FFFFFF
##63511A	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5013

Deuteranopia (green-blind)

#5F551D

Tritanopia (blue-blind)

#6C4A46

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #63511a;
/* rgb */ color: rgb(99, 81, 26);
/* oklch */ color: oklch(44.2% 0.076 90.6);

Tailwind

colors: {
  custom: {
    50: '#92815a',
    500: '#63511a',
    950: '#000000',
  },
}

SCSS

$custom: #63511a;
$custom-light: #92815a;
$custom-dark: #000000;

JSON

{
  "hex": "#63511a",
  "rgb": {
    "r": 99,
    "g": 81,
    "b": 26
  },
  "hsl": {
    "h": 45.205,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.44195,
    "c": 0.0759,
    "h": 90.6
  },
  "luminance": 0.08612
}

Semantic roles & 50–950 ramp

primary

#63511A

secondary

#405699

accent

#6DE246

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #63511A

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

Preview Lab → · Contrast checker → · Palette generator →