#51881A#51881A

#51881A is a mid, vivid yellow-green. Relative luminance 0.194; OKLCH L 56.7% C 0.149 H 133.2°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#51881A
RGB	rgb(81, 136, 26)
HSL	hsl(90, 68%, 32%)
HSV	hsv(90, 81%, 53%)
CMYK	cmyk(40.4%, 0%, 80.9%, 46.7%)
CIE-LAB	lab(51.19, -36.13, 48.94)
CIE-LCH	lch(51.19, 60.83, 126.43°)
OKLab	oklab(56.71% -0.1018 0.1083)
OKLCH	oklch(56.71% 0.149 133.2)
XYZ	xyz(12.3838, 19.4316, 4.0753)
Luminance	0.1943 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51881A #511A88

analogous

#88881A #51881A #1A881A

triadic

#51881A #1A5188 #881A51

tetradic

#51881A #1A8888 #511A88 #881A1A

square

#51881A #1A8888 #511A88 #881A1A

split-complementary

#51881A #1A1A88 #881A88

monochromatic

#142106 #325510 #51881A #70BB24 #8EDB42

Accessibility & contrast

On white

4.30

#51881A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#51881A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51881A

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51881A	#FFFFFF	#000000	##000000
##51881A	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#867826

Tritanopia (blue-blind)

#518274

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #51881a;
/* rgb */ color: rgb(81, 136, 26);
/* oklch */ color: oklch(56.7% 0.149 133.2);

Tailwind

colors: {
  custom: {
    50: '#87ab61',
    500: '#51881a',
    950: '#000000',
  },
}

SCSS

$custom: #51881a;
$custom-light: #87ab61;
$custom-dark: #000000;

JSON

{
  "hex": "#51881a",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 26
  },
  "hsl": {
    "h": 90,
    "s": 67.901,
    "l": 31.765
  },
  "oklch": {
    "l": 0.56713,
    "c": 0.14861,
    "h": 133.2
  },
  "luminance": 0.19432
}

Semantic roles & 50–950 ramp

primary

#51881A

secondary

#7F43BB

accent

#3DEB94

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #51881A

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

Preview Lab → · Contrast checker → · Palette generator →