#51510C#51510C

#51510C is a dark, moderate yellow. Relative luminance 0.077; OKLCH L 42.2% C 0.086 H 109.6°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#51510C
RGB	rgb(81, 81, 12)
HSL	hsl(60, 74%, 18%)
HSV	hsv(60, 85%, 32%)
CMYK	cmyk(0%, 0%, 85.2%, 68.2%)
CIE-LAB	lab(33.27, -8.91, 37.11)
CIE-LCH	lch(33.27, 38.17, 103.51°)
OKLab	oklab(42.17% -0.0287 0.0807)
OKLCH	oklch(42.17% 0.086 109.6)
XYZ	xyz(6.4024, 7.6609, 1.4892)
Luminance	0.0766 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51510C #0C0C51

analogous

#512E0C #51510C #2E510C

triadic

#51510C #0C5151 #510C51

tetradic

#51510C #0C512E #0C0C51 #510C2E

square

#51510C #0C512E #0C0C51 #510C2E

split-complementary

#51510C #0C2E51 #2E0C51

monochromatic

#1B1B04 #1C1C04 #51510C #868614 #BCBC1C

Accessibility & contrast

On white

8.29

#51510C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#51510C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51510C

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51510C	#FFFFFF	#000000	##FFFFFF
##51510C	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D00

Deuteranopia (green-blind)

#594F12

Tritanopia (blue-blind)

#574B44

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #51510c;
/* rgb */ color: rgb(81, 81, 12);
/* oklch */ color: oklch(42.2% 0.086 109.6);

Tailwind

colors: {
  custom: {
    50: '#858152',
    500: '#51510c',
    950: '#000000',
  },
}

SCSS

$custom: #51510c;
$custom-light: #858152;
$custom-dark: #000000;

JSON

{
  "hex": "#51510c",
  "rgb": {
    "r": 81,
    "g": 81,
    "b": 12
  },
  "hsl": {
    "h": 60,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.42166,
    "c": 0.08567,
    "h": 109.6
  },
  "luminance": 0.07661
}

Semantic roles & 50–950 ramp

primary

#51510C

secondary

#2C2C8C

accent

#37F137

background

#F8F7F4

surface

#EFEEE7

border

#CAC9C3

text

#0B0A02

muted

#7C7C78

Preview Lab

Preview with #51510C

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

Preview Lab → · Contrast checker → · Palette generator →