#51400D#51400D

#51400D is a dark, moderate yellow. Relative luminance 0.054; OKLCH L 38.0% C 0.070 H 89.4°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#51400D
RGB	rgb(81, 64, 13)
HSL	hsl(45, 72%, 18%)
HSV	hsv(45, 84%, 32%)
CMYK	cmyk(0%, 21%, 84%, 68.2%)
CIE-LAB	lab(27.97, 1.50, 31.89)
CIE-LCH	lch(27.97, 31.93, 87.31°)
OKLab	oklab(37.96% 0.0008 0.0698)
OKLCH	oklch(37.96% 0.07 89.4)
XYZ	xyz(5.2997, 5.4455, 1.1526)
Luminance	0.0544 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51400D #0D1E51

analogous

#511E0D #51400D #40510D

triadic

#51400D #0D5140 #400D51

tetradic

#51400D #0D511E #0D1E51 #510D40

square

#51400D #0D511E #0D1E51 #510D40

split-complementary

#51400D #0D4051 #1E0D51

monochromatic

#1A1504 #1C1605 #51400D #866A15 #BA931E

Accessibility & contrast

On white

10.05

#51400D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#51400D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51400D

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51400D	#FFFFFF	#000000	##FFFFFF
##51400D	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F05

Deuteranopia (green-blind)

#4D4410

Tritanopia (blue-blind)

#583A36

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #51400d;
/* rgb */ color: rgb(81, 64, 13);
/* oklch */ color: oklch(38.0% 0.070 89.4);

Tailwind

colors: {
  custom: {
    50: '#857450',
    500: '#51400d',
    950: '#000000',
  },
}

SCSS

$custom: #51400d;
$custom-light: #857450;
$custom-dark: #000000;

JSON

{
  "hex": "#51400d",
  "rgb": {
    "r": 81,
    "g": 64,
    "b": 13
  },
  "hsl": {
    "h": 45,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.37962,
    "c": 0.06978,
    "h": 89.4
  },
  "luminance": 0.05445
}

Semantic roles & 50–950 ramp

primary

#51400D

secondary

#2E458C

accent

#66EF39

background

#F8F7F4

surface

#F0EDE7

border

#CBC8C3

text

#0B0802

muted

#7C7B78

Preview Lab

Preview with #51400D

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

Preview Lab → · Contrast checker → · Palette generator →