#51B32B#51B32B

#51B32B is a light, vivid green. Relative luminance 0.342; OKLCH L 68.2% C 0.192 H 138.7°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#51B32B
RGB	rgb(81, 179, 43)
HSL	hsl(103, 61%, 44%)
HSV	hsv(103, 76%, 70%)
CMYK	cmyk(54.7%, 0%, 76%, 29.8%)
CIE-LAB	lab(65.09, -52.39, 56.65)
CIE-LCH	lch(65.09, 77.16, 132.76°)
OKLab	oklab(68.17% -0.1445 0.1269)
OKLCH	oklch(68.17% 0.192 138.7)
XYZ	xyz(19.9487, 34.1623, 7.8278)
Luminance	0.3416 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B32B #8D2BB3

analogous

#95B32B #51B32B #2BB349

triadic

#51B32B #2B51B3 #B32B51

tetradic

#51B32B #2B95B3 #8D2BB3 #B3492B

square

#51B32B #2B95B3 #8D2BB3 #B3492B

split-complementary

#51B32B #492BB3 #B32B95

monochromatic

#245013 #3B821F #51B32B #6FD348 #96DF79

Accessibility & contrast

On white

2.68

#51B32B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#51B32B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B32B

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B32B	#FFFFFF	#000000	##000000
##51B32B	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A30B

Deuteranopia (green-blind)

#AC9B3A

Tritanopia (blue-blind)

#48AD99

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51b32b;
/* rgb */ color: rgb(81, 179, 43);
/* oklch */ color: oklch(68.2% 0.192 138.7);

Tailwind

colors: {
  custom: {
    50: '#8cca6e',
    500: '#51b32b',
    950: '#000000',
  },
}

SCSS

$custom: #51b32b;
$custom-light: #8cca6e;
$custom-dark: #000000;

JSON

{
  "hex": "#51b32b",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 43
  },
  "hsl": {
    "h": 103.235,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.68171,
    "c": 0.19235,
    "h": 138.7
  },
  "luminance": 0.34164
}

Semantic roles & 50–950 ramp

primary

#51B32B

secondary

#AF73C7

accent

#43E4B7

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B32B

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

Preview Lab → · Contrast checker → · Palette generator →