#51A620#51A620

#51A620 is a light, vivid yellow-green. Relative luminance 0.291; OKLCH L 64.7% C 0.183 H 137.1°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#51A620
RGB	rgb(81, 166, 32)
HSL	hsl(98, 68%, 39%)
HSV	hsv(98, 81%, 65%)
CMYK	cmyk(51.2%, 0%, 80.7%, 34.9%)
CIE-LAB	lab(60.89, -48.13, 56.14)
CIE-LCH	lch(60.89, 73.94, 130.60°)
OKLab	oklab(64.69% -0.1337 0.1243)
OKLCH	oklch(64.69% 0.183 137.1)
XYZ	xyz(17.2897, 29.1248, 6.0768)
Luminance	0.2913 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A620 #7520A6

analogous

#94A620 #51A620 #20A632

triadic

#51A620 #2051A6 #A62051

tetradic

#51A620 #2094A6 #7520A6 #A63220

square

#51A620 #2094A6 #7520A6 #A63220

split-complementary

#51A620 #3220A6 #A62094

monochromatic

#1F3F0C #387316 #51A620 #6BD62D #8FE060

Accessibility & contrast

On white

3.08

#51A620 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#51A620 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A620

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A620	#FFFFFF	#000000	##000000
##51A620	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9700

Deuteranopia (green-blind)

#A19030

Tritanopia (blue-blind)

#4CA08D

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #51a620;
/* rgb */ color: rgb(81, 166, 32);
/* oklch */ color: oklch(64.7% 0.183 137.1);

Tailwind

colors: {
  custom: {
    50: '#8bc168',
    500: '#51a620',
    950: '#000000',
  },
}

SCSS

$custom: #51a620;
$custom-light: #8bc168;
$custom-dark: #000000;

JSON

{
  "hex": "#51a620",
  "rgb": {
    "r": 81,
    "g": 166,
    "b": 32
  },
  "hsl": {
    "h": 98.06,
    "s": 67.677,
    "l": 38.824
  },
  "oklch": {
    "l": 0.64691,
    "c": 0.18253,
    "h": 137.1
  },
  "luminance": 0.29126
}

Semantic roles & 50–950 ramp

primary

#51A620

secondary

#9F5DC5

accent

#3DEBAB

background

#F9FBF6

surface

#F1F7EB

border

#CBD0C6

text

#0D1207

muted

#7E817A

Preview Lab

Preview with #51A620

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

Preview Lab → · Contrast checker → · Palette generator →