#63551F#63551F

#63551F is a mid, moderate yellow. Relative luminance 0.092; OKLCH L 45.2% C 0.075 H 94.6°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX#63551F
RGBrgb(99, 85, 31)
HSLhsl(48, 52%, 25%)
HSVhsv(48, 69%, 39%)
CMYKcmyk(0%, 14.1%, 68.7%, 61.2%)
CIE-LABlab(36.46, -1.29, 32.66)
CIE-LCHlch(36.46, 32.69, 92.25°)
OKLaboklab(45.18% -0.006 0.0744)
OKLCHoklch(45.18% 0.075 94.6)
XYZxyz(8.6418, 9.2490, 2.6261)
Luminance0.0925 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63551F #1F2D63
analogous
#63331F #63551F #4F631F
triadic
#63551F #1F6355 #551F63
tetradic
#63551F #1F6333 #1F2D63 #631F4F
square
#63551F #1F6333 #1F2D63 #631F4F
split-complementary
#63551F #1F4F63 #331F63
monochromatic
#171407 #342D10 #63551F #927D2E #C0A53C

Accessibility & contrast

On white

7.37
#63551F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.85
#63551F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63551F
7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63551F#FFFFFF#000000##FFFFFF
##63551F1.007.372.857.37
#FFFFFF7.371.0021.001.00
#0000002.8521.001.0021.00
##FFFFFF7.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5319
Deuteranopia (green-blind)
#625822
Tritanopia (blue-blind)
#6B4E4A
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #63551f;
/* rgb */ color: rgb(99, 85, 31);
/* oklch */ color: oklch(45.2% 0.075 94.6);
Tailwind
colors: {
  custom: {
    50: '#92845d',
    500: '#63551f',
    950: '#000000',
  },
}
SCSS
$custom: #63551f;
$custom-light: #92845d;
$custom-dark: #000000;
JSON
{
  "hex": "#63551f",
  "rgb": {
    "r": 99,
    "g": 85,
    "b": 31
  },
  "hsl": {
    "h": 47.647,
    "s": 52.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.45183,
    "c": 0.07461,
    "h": 94.6
  },
  "luminance": 0.09249
}

Semantic roles & 50–950 ramp

primary
#63551F
secondary
#465798
accent
#6ADC4C
background
#F9F8F5
surface
#F1EFE9
border
#CBCAC5
text
#0D0A04
muted
#7E7C79

Preview Lab

Preview with #63551F

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

Preview Lab → · Contrast checker → · Palette generator →

#63551F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva