#51761B#51761B

#51761B is a mid, vivid yellow-green. Relative luminance 0.148; OKLCH L 51.9% C 0.124 H 129.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#51761B
RGB	rgb(81, 118, 27)
HSL	hsl(84, 63%, 28%)
HSV	hsv(84, 77%, 46%)
CMYK	cmyk(31.4%, 0%, 77.1%, 53.7%)
CIE-LAB	lab(45.34, -27.80, 43.02)
CIE-LCH	lch(45.34, 51.22, 122.87°)
OKLab	oklab(51.94% -0.0792 0.096)
OKLCH	oklch(51.94% 0.124 129.5)
XYZ	xyz(10.0696, 14.7850, 3.3600)
Luminance	0.1479 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51761B #401B76

analogous

#766D1B #51761B #23761B

triadic

#51761B #1B5176 #761B51

tetradic

#51761B #1B766D #401B76 #761B23

square

#51761B #1B766D #401B76 #761B23

split-complementary

#51761B #1B2376 #6D1B76

monochromatic

#111906 #2F4410 #51761B #73A826 #94D23A

Accessibility & contrast

On white

5.31

#51761B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#51761B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51761B

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51761B	#FFFFFF	#000000	##FFFFFF
##51761B	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6D08

Deuteranopia (green-blind)

#776A24

Tritanopia (blue-blind)

#537165

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #51761b;
/* rgb */ color: rgb(81, 118, 27);
/* oklch */ color: oklch(51.9% 0.124 129.5);

Tailwind

colors: {
  custom: {
    50: '#859d5f',
    500: '#51761b',
    950: '#000000',
  },
}

SCSS

$custom: #51761b;
$custom-light: #859d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#51761b",
  "rgb": {
    "r": 81,
    "g": 118,
    "b": 27
  },
  "hsl": {
    "h": 84.396,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.51939,
    "c": 0.12447,
    "h": 129.5
  },
  "luminance": 0.14785
}

Semantic roles & 50–950 ramp

primary

#51761B

secondary

#6D42AA

accent

#42E685

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #51761B

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

Preview Lab → · Contrast checker → · Palette generator →