#51B33B#51B33B

#51B33B is a light, vivid green. Relative luminance 0.343; OKLCH L 68.3% C 0.182 H 140.2°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#51B33B
RGB	rgb(81, 179, 59)
HSL	hsl(109, 50%, 47%)
HSV	hsv(109, 67%, 70%)
CMYK	cmyk(54.7%, 0%, 67%, 29.8%)
CIE-LAB	lab(65.20, -51.13, 50.72)
CIE-LCH	lch(65.20, 72.02, 135.23°)
OKLab	oklab(68.3% -0.1401 0.1166)
OKLCH	oklch(68.3% 0.182 140.2)
XYZ	xyz(20.3020, 34.3036, 9.6882)
Luminance	0.3431 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B33B #9D3BB3

analogous

#8DB33B #51B33B #3BB361

triadic

#51B33B #3B51B3 #B33B51

tetradic

#51B33B #3B8DB3 #9D3BB3 #B3613B

square

#51B33B #3B8DB3 #9D3BB3 #B3613B

split-complementary

#51B33B #613BB3 #B33B8D

monochromatic

#27571D #3C852C #51B33B #74CB60 #9CDA8E

Accessibility & contrast

On white

2.67

#51B33B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#51B33B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B33B

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B33B	#FFFFFF	#000000	##000000
##51B33B	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A32B

Deuteranopia (green-blind)

#AB9B46

Tritanopia (blue-blind)

#46AD9A

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51b33b;
/* rgb */ color: rgb(81, 179, 59);
/* oklch */ color: oklch(68.3% 0.182 140.2);

Tailwind

colors: {
  custom: {
    50: '#8bca77',
    500: '#51b33b',
    950: '#000000',
  },
}

SCSS

$custom: #51b33b;
$custom-light: #8bca77;
$custom-dark: #000000;

JSON

{
  "hex": "#51b33b",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 59
  },
  "hsl": {
    "h": 109,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.68298,
    "c": 0.18231,
    "h": 140.2
  },
  "luminance": 0.34305
}

Semantic roles & 50–950 ramp

primary

#51B33B

secondary

#B985C5

accent

#4EDAC0

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1309

muted

#7E827B

Preview Lab

Preview with #51B33B

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

Preview Lab → · Contrast checker → · Palette generator →