#51631E#51631E

#51631E is a mid, moderate yellow-green. Relative luminance 0.108; OKLCH L 47.0% C 0.096 H 122.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#51631E
RGB	rgb(81, 99, 30)
HSL	hsl(76, 53%, 25%)
HSV	hsv(76, 70%, 39%)
CMYK	cmyk(18.2%, 0%, 69.7%, 61.2%)
CIE-LAB	lab(39.18, -17.93, 35.56)
CIE-LCH	lch(39.18, 39.82, 116.76°)
OKLab	oklab(46.96% -0.0519 0.0808)
OKLCH	oklch(46.96% 0.096 122.7)
XYZ	xyz(8.0896, 10.7667, 2.8800)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51631E #301E63

analogous

#63521E #51631E #2F631E

triadic

#51631E #1E5163 #631E51

tetradic

#51631E #1E6352 #301E63 #631E2F

square

#51631E #1E6352 #301E63 #631E2F

split-complementary

#51631E #1E2F63 #521E63

monochromatic

#131707 #2B3410 #51631E #77922C #9EC13A

Accessibility & contrast

On white

6.66

#51631E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#51631E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51631E

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51631E	#FFFFFF	#000000	##FFFFFF
##51631E	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695D15

Deuteranopia (green-blind)

#675C23

Tritanopia (blue-blind)

#555E55

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #51631e;
/* rgb */ color: rgb(81, 99, 30);
/* oklch */ color: oklch(47.0% 0.096 122.7);

Tailwind

colors: {
  custom: {
    50: '#848f5e',
    500: '#51631e',
    950: '#000000',
  },
}

SCSS

$custom: #51631e;
$custom-light: #848f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#51631e",
  "rgb": {
    "r": 81,
    "g": 99,
    "b": 30
  },
  "hsl": {
    "h": 75.652,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.46959,
    "c": 0.09603,
    "h": 122.7
  },
  "luminance": 0.10767
}

Semantic roles & 50–950 ramp

primary

#51631E

secondary

#5B4598

accent

#4BDD71

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0C04

muted

#7C7D79

Preview Lab

Preview with #51631E

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

Preview Lab → · Contrast checker → · Palette generator →