#51AB2A#51AB2A

#51AB2A is a light, vivid green. Relative luminance 0.310; OKLCH L 66.1% C 0.183 H 138.2°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#51AB2A
RGB	rgb(81, 171, 42)
HSL	hsl(102, 61%, 42%)
HSV	hsv(102, 75%, 67%)
CMYK	cmyk(52.6%, 0%, 75.4%, 32.9%)
CIE-LAB	lab(62.54, -49.44, 54.49)
CIE-LCH	lch(62.54, 73.58, 132.22°)
OKLab	oklab(66.07% -0.1366 0.1223)
OKLCH	oklch(66.07% 0.183 138.2)
XYZ	xyz(18.3735, 31.0409, 7.2133)
Luminance	0.3104 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AB2A #842AAB

analogous

#92AB2A #51AB2A #2AAB43

triadic

#51AB2A #2A51AB #AB2A51

tetradic

#51AB2A #2A92AB #842AAB #AB432A

square

#51AB2A #2A92AB #842AAB #AB432A

split-complementary

#51AB2A #432AAB #AB2A92

monochromatic

#224912 #3A7A1E #51AB2A #6DD142 #93DD73

Accessibility & contrast

On white

2.91

#51AB2A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#51AB2A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AB2A

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AB2A	#FFFFFF	#000000	##000000
##51AB2A	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C0E

Deuteranopia (green-blind)

#A59438

Tritanopia (blue-blind)

#4AA592

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #51ab2a;
/* rgb */ color: rgb(81, 171, 42);
/* oklch */ color: oklch(66.1% 0.183 138.2);

Tailwind

colors: {
  custom: {
    50: '#8bc56d',
    500: '#51ab2a',
    950: '#000000',
  },
}

SCSS

$custom: #51ab2a;
$custom-light: #8bc56d;
$custom-dark: #000000;

JSON

{
  "hex": "#51ab2a",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 42
  },
  "hsl": {
    "h": 101.86,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.66068,
    "c": 0.18337,
    "h": 138.2
  },
  "luminance": 0.31042
}

Semantic roles & 50–950 ramp

primary

#51AB2A

secondary

#AA6DC4

accent

#44E4B3

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AB2A

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

Preview Lab → · Contrast checker → · Palette generator →