#63671B#63671B

#63671B is a mid, moderate yellow. Relative luminance 0.124; OKLCH L 49.5% C 0.097 H 112.4°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#63671B
RGB	rgb(99, 103, 27)
HSL	hsl(63, 58%, 25%)
HSV	hsv(63, 74%, 40%)
CMYK	cmyk(3.9%, 0%, 73.8%, 59.6%)
CIE-LAB	lab(41.90, -11.99, 40.10)
CIE-LCH	lch(41.90, 41.85, 106.65°)
OKLab	oklab(49.5% -0.0368 0.0893)
OKLCH	oklch(49.5% 0.097 112.4)
XYZ	xyz(10.1940, 12.4325, 2.8994)
Luminance	0.1243 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63671B #1F1B67

analogous

#67451B #63671B #3D671B

triadic

#63671B #1B6367 #671B63

tetradic

#63671B #1B6745 #1F1B67 #671B3D

square

#63671B #1B6745 #1F1B67 #671B3D

split-complementary

#63671B #1B3D67 #451B67

monochromatic

#171806 #34370E #63671B #929728 #C0C834

Accessibility & contrast

On white

6.02

#63671B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#63671B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63671B

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63671B	#FFFFFF	#000000	##FFFFFF
##63671B	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F620E

Deuteranopia (green-blind)

#6F6421

Tritanopia (blue-blind)

#6A6058

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #63671b;
/* rgb */ color: rgb(99, 103, 27);
/* oklch */ color: oklch(49.5% 0.097 112.4);

Tailwind

colors: {
  custom: {
    50: '#92925d',
    500: '#63671b',
    950: '#000000',
  },
}

SCSS

$custom: #63671b;
$custom-light: #92925d;
$custom-dark: #000000;

JSON

{
  "hex": "#63671b",
  "rgb": {
    "r": 99,
    "g": 103,
    "b": 27
  },
  "hsl": {
    "h": 63.158,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.49498,
    "c": 0.09664,
    "h": 112.4
  },
  "luminance": 0.12432
}

Semantic roles & 50–950 ramp

primary

#63671B

secondary

#46429C

accent

#46E24E

background

#F9F8F5

surface

#F1F0E9

border

#CBCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #63671B

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

Preview Lab → · Contrast checker → · Palette generator →