#63671F#63671F

#63671F is a mid, moderate yellow. Relative luminance 0.125; OKLCH L 49.5% C 0.094 H 112.4°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#63671F
RGBrgb(99, 103, 31)
HSLhsl(63, 54%, 26%)
HSVhsv(63, 70%, 40%)
CMYKcmyk(3.9%, 0%, 69.9%, 59.6%)
CIE-LABlab(41.93, -11.74, 38.41)
CIE-LCHlch(41.93, 40.16, 106.99°)
OKLaboklab(49.53% -0.0357 0.0865)
OKLCHoklch(49.53% 0.094 112.4)
XYZxyz(10.2435, 12.4523, 3.1600)
Luminance0.1245 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63671F #231F67
analogous
#67471F #63671F #3F671F
triadic
#63671F #1F6367 #671F63
tetradic
#63671F #1F6747 #231F67 #671F3F
square
#63671F #1F6747 #231F67 #671F3F
split-complementary
#63671F #1F3F67 #471F67
monochromatic
#171807 #363811 #63671F #90962D #BDC43C

Accessibility & contrast

On white

6.02
#63671F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.49
#63671F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63671F
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63671F#FFFFFF#000000##FFFFFF
##63671F1.006.023.496.02
#FFFFFF6.021.0021.001.00
#0000003.4921.001.0021.00
##FFFFFF6.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6F6215
Deuteranopia (green-blind)
#6F6424
Tritanopia (blue-blind)
#6A6158
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #63671f;
/* rgb */ color: rgb(99, 103, 31);
/* oklch */ color: oklch(49.5% 0.094 112.4);
Tailwind
colors: {
  custom: {
    50: '#92925f',
    500: '#63671f',
    950: '#000000',
  },
}
SCSS
$custom: #63671f;
$custom-light: #92925f;
$custom-dark: #000000;
JSON
{
  "hex": "#63671f",
  "rgb": {
    "r": 99,
    "g": 103,
    "b": 31
  },
  "hsl": {
    "h": 63.333,
    "s": 53.731,
    "l": 26.275
  },
  "oklch": {
    "l": 0.49532,
    "c": 0.0936,
    "h": 112.4
  },
  "luminance": 0.12452
}

Semantic roles & 50–950 ramp

primary
#63671F
secondary
#4B469B
accent
#4BDD53
background
#F9F8F5
surface
#F1F0E9
border
#CBCBC5
text
#0D0C05
muted
#7E7D79

Preview Lab

Preview with #63671F

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

Preview Lab → · Contrast checker → · Palette generator →

#63671F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva