#63551B#63551B

#63551B is a mid, moderate yellow. Relative luminance 0.092; OKLCH L 45.1% C 0.078 H 95.4°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#63551B
RGB	rgb(99, 85, 27)
HSL	hsl(48, 57%, 25%)
HSV	hsv(48, 73%, 39%)
CMYK	cmyk(0%, 14.1%, 72.7%, 61.2%)
CIE-LAB	lab(36.42, -1.55, 34.58)
CIE-LCH	lch(36.42, 34.61, 92.57°)
OKLab	oklab(45.14% -0.0073 0.0777)
OKLCH	oklch(45.14% 0.078 95.4)
XYZ	xyz(8.5923, 9.2292, 2.3655)
Luminance	0.0923 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63551B #1B2963

analogous

#63311B #63551B #4D631B

triadic

#63551B #1B6355 #551B63

tetradic

#63551B #1B6331 #1B2963 #631B4D

square

#63551B #1B6331 #1B2963 #631B4D

split-complementary

#63551B #1B4D63 #311B63

monochromatic

#181507 #332C0E #63551B #937E28 #C3A835

Accessibility & contrast

On white

7.38

#63551B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#63551B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63551B

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63551B	#FFFFFF	#000000	##FFFFFF
##63551B	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5313

Deuteranopia (green-blind)

#62581E

Tritanopia (blue-blind)

#6B4E49

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #63551b;
/* rgb */ color: rgb(99, 85, 27);
/* oklch */ color: oklch(45.1% 0.078 95.4);

Tailwind

colors: {
  custom: {
    50: '#92845b',
    500: '#63551b',
    950: '#000000',
  },
}

SCSS

$custom: #63551b;
$custom-light: #92845b;
$custom-dark: #000000;

JSON

{
  "hex": "#63551b",
  "rgb": {
    "r": 99,
    "g": 85,
    "b": 27
  },
  "hsl": {
    "h": 48.333,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.45142,
    "c": 0.07805,
    "h": 95.4
  },
  "luminance": 0.09229
}

Semantic roles & 50–950 ramp

primary

#63551B

secondary

#415298

accent

#65E047

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0A04

muted

#7E7C79

Preview Lab

Preview with #63551B

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

Preview Lab → · Contrast checker → · Palette generator →