#51A131#51A131

#51A131 is a light, vivid green. Relative luminance 0.275; OKLCH L 63.5% C 0.167 H 138.2°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#51A131
RGB	rgb(81, 161, 49)
HSL	hsl(103, 53%, 41%)
HSV	hsv(103, 70%, 63%)
CMYK	cmyk(49.7%, 0%, 69.6%, 36.9%)
CIE-LAB	lab(59.40, -44.99, 48.65)
CIE-LCH	lch(59.40, 66.26, 132.76°)
OKLab	oklab(63.5% -0.1242 0.111)
OKLCH	oklch(63.5% 0.167 138.2)
XYZ	xyz(16.6920, 27.4596, 7.3258)
Luminance	0.2746 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A131 #8131A1

analogous

#89A131 #51A131 #31A149

triadic

#51A131 #3151A1 #A13151

tetradic

#51A131 #3189A1 #8131A1 #A14931

square

#51A131 #3189A1 #8131A1 #A14931

split-complementary

#51A131 #4931A1 #A13189

monochromatic

#224314 #397223 #51A131 #6CC748 #92D677

Accessibility & contrast

On white

3.23

#51A131 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#51A131 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A131

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A131	#FFFFFF	#000000	##000000
##51A131	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69321

Deuteranopia (green-blind)

#9B8C3B

Tritanopia (blue-blind)

#4B9B8A

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #51a131;
/* rgb */ color: rgb(81, 161, 49);
/* oklch */ color: oklch(63.5% 0.167 138.2);

Tailwind

colors: {
  custom: {
    50: '#89bd6f',
    500: '#51a131',
    950: '#000000',
  },
}

SCSS

$custom: #51a131;
$custom-light: #89bd6f;
$custom-dark: #000000;

JSON

{
  "hex": "#51a131",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 49
  },
  "hsl": {
    "h": 102.857,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.63495,
    "c": 0.16656,
    "h": 138.2
  },
  "luminance": 0.27461
}

Semantic roles & 50–950 ramp

primary

#51A131

secondary

#A870BE

accent

#4BDDB3

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0C1208

muted

#7D817B

Preview Lab

Preview with #51A131

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

Preview Lab → · Contrast checker → · Palette generator →