#51B03F#51B03F

#51B03F is a light, vivid green. Relative luminance 0.332; OKLCH L 67.6% C 0.176 H 140.6°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#51B03F
RGB	rgb(81, 176, 63)
HSL	hsl(110, 47%, 47%)
HSV	hsv(110, 64%, 69%)
CMYK	cmyk(54%, 0%, 64.2%, 31%)
CIE-LAB	lab(64.29, -49.59, 48.02)
CIE-LCH	lch(64.29, 69.03, 135.92°)
OKLab	oklab(67.56% -0.1357 0.1114)
OKLCH	oklch(67.56% 0.176 140.6)
XYZ	xyz(19.8150, 33.1573, 10.0575)
Luminance	0.3316 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B03F #9E3FB0

analogous

#8AB03F #51B03F #3FB065

triadic

#51B03F #3F51B0 #B03F51

tetradic

#51B03F #3F8AB0 #9E3FB0 #B0653F

square

#51B03F #3F8AB0 #9E3FB0 #B0653F

split-complementary

#51B03F #653FB0 #B03F8A

monochromatic

#28561F #3C832F #51B03F #74C865 #9DD892

Accessibility & contrast

On white

2.75

#51B03F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#51B03F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B03F

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B03F	#FFFFFF	#000000	##000000
##51B03F	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A131

Deuteranopia (green-blind)

#A89949

Tritanopia (blue-blind)

#46AB98

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51b03f;
/* rgb */ color: rgb(81, 176, 63);
/* oklch */ color: oklch(67.6% 0.176 140.6);

Tailwind

colors: {
  custom: {
    50: '#8bc879',
    500: '#51b03f',
    950: '#000000',
  },
}

SCSS

$custom: #51b03f;
$custom-light: #8bc879;
$custom-dark: #000000;

JSON

{
  "hex": "#51b03f",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 63
  },
  "hsl": {
    "h": 110.442,
    "s": 47.28,
    "l": 46.863
  },
  "oklch": {
    "l": 0.67556,
    "c": 0.17557,
    "h": 140.6
  },
  "luminance": 0.33159
}

Semantic roles & 50–950 ramp

primary

#51B03F

secondary

#BA88C3

accent

#51D7C2

background

#F9FCF7

surface

#F1F8EE

border

#CBD1C9

text

#0D1309

muted

#7E827B

Preview Lab

Preview with #51B03F

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

Preview Lab → · Contrast checker → · Palette generator →