#51691B#51691B

#51691B is a mid, moderate yellow-green. Relative luminance 0.119; OKLCH L 48.5% C 0.107 H 125.2°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#51691B
RGB	rgb(81, 105, 27)
HSL	hsl(78, 59%, 26%)
HSV	hsv(78, 74%, 41%)
CMYK	cmyk(22.9%, 0%, 74.3%, 58.8%)
CIE-LAB	lab(41.11, -21.31, 38.84)
CIE-LCH	lch(41.11, 44.30, 118.75°)
OKLab	oklab(48.51% -0.0615 0.0872)
OKLCH	oklch(48.51% 0.107 125.2)
XYZ	xyz(8.6428, 11.9315, 2.8844)
Luminance	0.1193 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51691B #331B69

analogous

#695A1B #51691B #2A691B

triadic

#51691B #1B5169 #691B51

tetradic

#51691B #1B695A #331B69 #691B2A

square

#51691B #1B695A #331B69 #691B2A

split-complementary

#51691B #1B2A69 #5A1B69

monochromatic

#131806 #2B380E #51691B #779A28 #9CCA34

Accessibility & contrast

On white

6.20

#51691B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#51691B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51691B

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51691B	#FFFFFF	#000000	##FFFFFF
##51691B	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F620E

Deuteranopia (green-blind)

#6C6122

Tritanopia (blue-blind)

#55645A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #51691b;
/* rgb */ color: rgb(81, 105, 27);
/* oklch */ color: oklch(48.5% 0.107 125.2);

Tailwind

colors: {
  custom: {
    50: '#84945d',
    500: '#51691b',
    950: '#000000',
  },
}

SCSS

$custom: #51691b;
$custom-light: #84945d;
$custom-dark: #000000;

JSON

{
  "hex": "#51691b",
  "rgb": {
    "r": 81,
    "g": 105,
    "b": 27
  },
  "hsl": {
    "h": 78.462,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.48505,
    "c": 0.10673,
    "h": 125.2
  },
  "luminance": 0.11932
}

Semantic roles & 50–950 ramp

primary

#51691B

secondary

#5E429E

accent

#46E276

background

#F8F9F5

surface

#EFF1E9

border

#CACBC5

text

#0B0D04

muted

#7C7E79

Preview Lab

Preview with #51691B

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

Preview Lab → · Contrast checker → · Palette generator →