#63641F#63641F

#63641F is a mid, moderate yellow. Relative luminance 0.119; OKLCH L 48.8% C 0.090 H 110.1°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX#63641F
RGBrgb(99, 100, 31)
HSLhsl(61, 53%, 26%)
HSVhsv(61, 69%, 39%)
CMYKcmyk(1%, 0%, 69%, 60.8%)
CIE-LABlab(41.00, -10.05, 37.46)
CIE-LCHlch(41.00, 38.78, 105.02°)
OKLaboklab(48.79% -0.031 0.0845)
OKLCHoklch(48.79% 0.09 110.1)
XYZxyz(9.9504, 11.8662, 3.0623)
Luminance0.1187 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63641F #201F64
analogous
#64421F #63641F #40641F
triadic
#63641F #1F6364 #641F63
tetradic
#63641F #1F6442 #201F64 #641F40
square
#63641F #1F6442 #201F64 #641F40
split-complementary
#63641F #1F4064 #421F64
monochromatic
#171707 #353511 #63641F #91932D #BFC13C

Accessibility & contrast

On white

6.23
#63641F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.37
#63641F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63641F
6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63641F#FFFFFF#000000##FFFFFF
##63641F1.006.233.376.23
#FFFFFF6.231.0021.001.00
#0000003.3721.001.0021.00
##FFFFFF6.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C6016
Deuteranopia (green-blind)
#6D6224
Tritanopia (blue-blind)
#6A5E56
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #63641f;
/* rgb */ color: rgb(99, 100, 31);
/* oklch */ color: oklch(48.8% 0.090 110.1);
Tailwind
colors: {
  custom: {
    50: '#92905f',
    500: '#63641f',
    950: '#000000',
  },
}
SCSS
$custom: #63641f;
$custom-light: #92905f;
$custom-dark: #000000;
JSON
{
  "hex": "#63641f",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 31
  },
  "hsl": {
    "h": 60.87,
    "s": 52.672,
    "l": 25.686
  },
  "oklch": {
    "l": 0.48794,
    "c": 0.09,
    "h": 110.1
  },
  "luminance": 0.11866
}

Semantic roles & 50–950 ramp

primary
#63641F
secondary
#484698
accent
#4CDC4E
background
#F9F8F5
surface
#F1F0E9
border
#CBCBC5
text
#0D0C05
muted
#7E7D79

Preview Lab

Preview with #63641F

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

Preview Lab → · Contrast checker → · Palette generator →

#63641F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva