#51603B#51603B

#51603B is a mid, muted yellow-green. Relative luminance 0.104; OKLCH L 46.6% C 0.059 H 126.5°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#51603B
RGB	rgb(81, 96, 59)
HSL	hsl(84, 24%, 30%)
HSV	hsv(84, 39%, 38%)
CMYK	cmyk(15.6%, 0%, 38.5%, 62.4%)
CIE-LAB	lab(38.60, -12.96, 19.29)
CIE-LCH	lch(38.60, 23.23, 123.89°)
OKLab	oklab(46.62% -0.0354 0.0477)
OKLCH	oklch(46.62% 0.059 126.5)
XYZ	xyz(8.3655, 10.4308, 5.7094)
Luminance	0.1043 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51603B #4A3B60

analogous

#605C3B #51603B #3E603B

triadic

#51603B #3B5160 #603B51

tetradic

#51603B #3B605C #4A3B60 #603B3E

square

#51603B #3B605C #4A3B60 #603B3E

split-complementary

#51603B #3B3E60 #5C3B60

monochromatic

#11140C #313A24 #51603B #718652 #90A66F

Accessibility & contrast

On white

6.80

#51603B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#51603B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51603B

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51603B	#FFFFFF	#000000	##FFFFFF
##51603B	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)

#645B38

Deuteranopia (green-blind)

#625B3D

Tritanopia (blue-blind)

#535D57

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #51603b;
/* rgb */ color: rgb(81, 96, 59);
/* oklch */ color: oklch(46.6% 0.059 126.5);

Tailwind

colors: {
  custom: {
    50: '#828d71',
    500: '#51603b',
    950: '#000000',
  },
}

SCSS

$custom: #51603b;
$custom-light: #828d71;
$custom-dark: #000000;

JSON

{
  "hex": "#51603b",
  "rgb": {
    "r": 81,
    "g": 96,
    "b": 59
  },
  "hsl": {
    "h": 84.324,
    "s": 23.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.46617,
    "c": 0.05939,
    "h": 126.5
  },
  "luminance": 0.10431
}

Semantic roles & 50–950 ramp

primary

#51603B

secondary

#776790

accent

#67C08B

background

#F8F8F6

surface

#EFF0EC

border

#CACBC7

text

#0A0C07

muted

#7C7D7A

Preview Lab

Preview with #51603B

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

Preview Lab → · Contrast checker → · Palette generator →