#51AF5E#51AF5E

#51AF5E is a light, vivid green. Relative luminance 0.332; OKLCH L 67.7% C 0.147 H 146.5°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#51AF5E
RGB	rgb(81, 175, 94)
HSL	hsl(128, 37%, 50%)
HSV	hsv(128, 54%, 69%)
CMYK	cmyk(53.7%, 0%, 46.3%, 31.4%)
CIE-LAB	lab(64.34, -45.24, 33.18)
CIE-LCH	lch(64.34, 56.10, 143.75°)
OKLab	oklab(67.71% -0.1226 0.0811)
OKLCH	oklch(67.71% 0.147 146.5)
XYZ	xyz(20.7424, 33.2157, 15.9057)
Luminance	0.3322 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AF5E #AF51A2

analogous

#73AF51 #51AF5E #51AF8D

triadic

#51AF5E #5E51AF #AF5E51

tetradic

#51AF5E #5173AF #AF51A2 #AF8D51

square

#51AF5E #5173AF #AF51A2 #AF8D51

split-complementary

#51AF5E #8D51AF #AF5173

monochromatic

#2A5C31 #3D8547 #51AF5E #7BC285 #A5D6AC

Accessibility & contrast

On white

2.75

#51AF5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#51AF5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AF5E

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AF5E	#FFFFFF	#000000	##000000
##51AF5E	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A158

Deuteranopia (green-blind)

#A49963

Tritanopia (blue-blind)

#3FAB9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51af5e;
/* rgb */ color: rgb(81, 175, 94);
/* oklch */ color: oklch(67.7% 0.147 146.5);

Tailwind

colors: {
  custom: {
    50: '#89c78d',
    500: '#51af5e',
    950: '#000000',
  },
}

SCSS

$custom: #51af5e;
$custom-light: #89c78d;
$custom-dark: #000000;

JSON

{
  "hex": "#51af5e",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 94
  },
  "hsl": {
    "h": 128.298,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.67712,
    "c": 0.14703,
    "h": 146.5
  },
  "luminance": 0.33217
}

Semantic roles & 50–950 ramp

primary

#51AF5E

secondary

#C399BD

accent

#5BBDCD

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0C130C

muted

#7D827D

Preview Lab

Preview with #51AF5E

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

Preview Lab → · Contrast checker → · Palette generator →