#51603D#51603D

#51603D is a mid, muted yellow-green. Relative luminance 0.105; OKLCH L 46.7% C 0.057 H 127.3°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#51603D
RGB	rgb(81, 96, 61)
HSL	hsl(86, 22%, 31%)
HSV	hsv(86, 36%, 38%)
CMYK	cmyk(15.6%, 0%, 36.5%, 62.4%)
CIE-LAB	lab(38.64, -12.65, 18.15)
CIE-LCH	lch(38.64, 22.12, 124.86°)
OKLab	oklab(46.66% -0.0344 0.0451)
OKLCH	oklch(46.66% 0.057 127.3)
XYZ	xyz(8.4184, 10.4519, 5.9879)
Luminance	0.1045 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51603D #4C3D60

analogous

#605D3D #51603D #3F603D

triadic

#51603D #3D5160 #603D51

tetradic

#51603D #3D605D #4C3D60 #603D3F

square

#51603D #3D605D #4C3D60 #603D3F

split-complementary

#51603D #3D3F60 #5D3D60

monochromatic

#12150D #313B25 #51603D #718555 #8FA572

Accessibility & contrast

On white

6.80

#51603D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#51603D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51603D

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51603D	#FFFFFF	#000000	##FFFFFF
##51603D	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C3B

Deuteranopia (green-blind)

#615B3F

Tritanopia (blue-blind)

#535D57

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #51603d;
/* rgb */ color: rgb(81, 96, 61);
/* oklch */ color: oklch(46.7% 0.057 127.3);

Tailwind

colors: {
  custom: {
    50: '#828d73',
    500: '#51603d',
    950: '#000000',
  },
}

SCSS

$custom: #51603d;
$custom-light: #828d73;
$custom-dark: #000000;

JSON

{
  "hex": "#51603d",
  "rgb": {
    "r": 81,
    "g": 96,
    "b": 61
  },
  "hsl": {
    "h": 85.714,
    "s": 22.293,
    "l": 30.784
  },
  "oklch": {
    "l": 0.46659,
    "c": 0.05676,
    "h": 127.3
  },
  "luminance": 0.10452
}

Semantic roles & 50–950 ramp

primary

#51603D

secondary

#7A6990

accent

#69BF8E

background

#F8F8F6

surface

#EFF0EC

border

#CACBC7

text

#0A0C08

muted

#7C7D7B

Preview Lab

Preview with #51603D

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

Preview Lab → · Contrast checker → · Palette generator →