#51AF4E#51AF4E

#51AF4E is a light, vivid green. Relative luminance 0.330; OKLCH L 67.5% C 0.162 H 143.0°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#51AF4E
RGB	rgb(81, 175, 78)
HSL	hsl(118, 38%, 50%)
HSV	hsv(118, 55%, 69%)
CMYK	cmyk(53.7%, 0%, 55.4%, 31.4%)
CIE-LAB	lab(64.13, -47.50, 40.92)
CIE-LCH	lch(64.13, 62.69, 139.25°)
OKLab	oklab(67.47% -0.1292 0.0975)
OKLCH	oklch(67.47% 0.162 143)
XYZ	xyz(20.0974, 32.9577, 12.5087)
Luminance	0.3296 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AF4E #AC4EAF

analogous

#82AF4E #51AF4E #4EAF7B

triadic

#51AF4E #4E51AF #AF4E51

tetradic

#51AF4E #4E82AF #AC4EAF #AF7B4E

square

#51AF4E #4E82AF #AC4EAF #AF7B4E

split-complementary

#51AF4E #7B4EAF #AF4E82

monochromatic

#2A5A28 #3D853B #51AF4E #7AC378 #A3D6A2

Accessibility & contrast

On white

2.77

#51AF4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#51AF4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AF4E

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AF4E	#FFFFFF	#000000	##000000
##51AF4E	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A145

Deuteranopia (green-blind)

#A69855

Tritanopia (blue-blind)

#43AA99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #51af4e;
/* rgb */ color: rgb(81, 175, 78);
/* oklch */ color: oklch(67.5% 0.162 143.0);

Tailwind

colors: {
  custom: {
    50: '#8ac882',
    500: '#51af4e',
    950: '#000000',
  },
}

SCSS

$custom: #51af4e;
$custom-light: #8ac882;
$custom-dark: #000000;

JSON

{
  "hex": "#51af4e",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 78
  },
  "hsl": {
    "h": 118.144,
    "s": 38.34,
    "l": 49.608
  },
  "oklch": {
    "l": 0.67473,
    "c": 0.16187,
    "h": 143
  },
  "luminance": 0.32959
}

Semantic roles & 50–950 ramp

primary

#51AF4E

secondary

#C196C3

accent

#5ACECB

background

#F8FCF8

surface

#F0F8EF

border

#CBD1CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #51AF4E

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

Preview Lab → · Contrast checker → · Palette generator →