#51631A#51631A

#51631A is a mid, moderate yellow-green. Relative luminance 0.107; OKLCH L 46.9% C 0.099 H 122.4°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#51631A
RGB	rgb(81, 99, 26)
HSL	hsl(75, 58%, 25%)
HSV	hsv(75, 74%, 39%)
CMYK	cmyk(18.2%, 0%, 73.7%, 61.2%)
CIE-LAB	lab(39.15, -18.22, 37.29)
CIE-LCH	lch(39.15, 41.51, 116.04°)
OKLab	oklab(46.92% -0.0531 0.0838)
OKLCH	oklch(46.92% 0.099 122.4)
XYZ	xyz(8.0417, 10.7476, 2.6279)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51631A #2C1A63

analogous

#63511A #51631A #2C631A

triadic

#51631A #1A5163 #631A51

tetradic

#51631A #1A6351 #2C1A63 #631A2C

square

#51631A #1A6351 #2C1A63 #631A2C

split-complementary

#51631A #1A2C63 #511A63

monochromatic

#141806 #29330D #51631A #799327 #A0C433

Accessibility & contrast

On white

6.67

#51631A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#51631A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51631A

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51631A	#FFFFFF	#000000	##FFFFFF
##51631A	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695D0E

Deuteranopia (green-blind)

#675C20

Tritanopia (blue-blind)

#555E55

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #51631a;
/* rgb */ color: rgb(81, 99, 26);
/* oklch */ color: oklch(46.9% 0.099 122.4);

Tailwind

colors: {
  custom: {
    50: '#848f5c',
    500: '#51631a',
    950: '#000000',
  },
}

SCSS

$custom: #51631a;
$custom-light: #848f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#51631a",
  "rgb": {
    "r": 81,
    "g": 99,
    "b": 26
  },
  "hsl": {
    "h": 74.795,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.46922,
    "c": 0.09921,
    "h": 122.4
  },
  "luminance": 0.10748
}

Semantic roles & 50–950 ramp

primary

#51631A

secondary

#564099

accent

#46E26D

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0C04

muted

#7C7D79

Preview Lab

Preview with #51631A

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

Preview Lab → · Contrast checker → · Palette generator →