#51B03E#51B03E

#51B03E is a light, vivid green. Relative luminance 0.331; OKLCH L 67.5% C 0.176 H 140.5°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#51B03E
RGB	rgb(81, 176, 62)
HSL	hsl(110, 48%, 47%)
HSV	hsv(110, 65%, 69%)
CMYK	cmyk(54%, 0%, 64.8%, 31%)
CIE-LAB	lab(64.28, -49.69, 48.44)
CIE-LCH	lch(64.28, 69.40, 135.73°)
OKLab	oklab(67.55% -0.1361 0.1122)
OKLCH	oklch(67.55% 0.176 140.5)
XYZ	xyz(19.7873, 33.1462, 9.9116)
Luminance	0.3315 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B03E #9D3EB0

analogous

#8AB03E #51B03E #3EB064

triadic

#51B03E #3E51B0 #B03E51

tetradic

#51B03E #3E8AB0 #9D3EB0 #B0643E

square

#51B03E #3E8AB0 #9D3EB0 #B0643E

split-complementary

#51B03E #643EB0 #B03E8A

monochromatic

#27551E #3C832E #51B03E #74C863 #9CD890

Accessibility & contrast

On white

2.75

#51B03E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#51B03E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B03E

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B03E	#FFFFFF	#000000	##000000
##51B03E	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)

#B5A130

Deuteranopia (green-blind)

#A89948

Tritanopia (blue-blind)

#46AB98

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51b03e;
/* rgb */ color: rgb(81, 176, 62);
/* oklch */ color: oklch(67.5% 0.176 140.5);

Tailwind

colors: {
  custom: {
    50: '#8bc878',
    500: '#51b03e',
    950: '#000000',
  },
}

SCSS

$custom: #51b03e;
$custom-light: #8bc878;
$custom-dark: #000000;

JSON

{
  "hex": "#51b03e",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 62
  },
  "hsl": {
    "h": 110,
    "s": 47.899,
    "l": 46.667
  },
  "oklch": {
    "l": 0.67546,
    "c": 0.17633,
    "h": 140.5
  },
  "luminance": 0.33148
}

Semantic roles & 50–950 ramp

primary

#51B03E

secondary

#B987C3

accent

#50D7C1

background

#F9FCF7

surface

#F1F8EE

border

#CBD1C9

text

#0D1309

muted

#7E827B

Preview Lab

Preview with #51B03E

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

Preview Lab → · Contrast checker → · Palette generator →