#51C03E#51C03E

#51C03E is a light, vivid green. Relative luminance 0.398; OKLCH L 71.7% C 0.196 H 140.9°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#51C03E
RGB	rgb(81, 192, 62)
HSL	hsl(111, 51%, 50%)
HSV	hsv(111, 68%, 75%)
CMYK	cmyk(57.8%, 0%, 67.7%, 24.7%)
CIE-LAB	lab(69.32, -55.69, 53.90)
CIE-LCH	lch(69.32, 77.51, 135.93°)
OKLab	oklab(71.7% -0.1523 0.1237)
OKLCH	oklch(71.7% 0.196 140.9)
XYZ	xyz(23.1114, 39.7944, 11.0197)
Luminance	0.3980 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C03E #AD3EC0

analogous

#92C03E #51C03E #3EC06C

triadic

#51C03E #3E51C0 #C03E51

tetradic

#51C03E #3E92C0 #AD3EC0 #C06C3E

square

#51C03E #3E92C0 #AD3EC0 #C06C3E

split-complementary

#51C03E #6C3EC0 #C03E92

monochromatic

#2A6320 #3D922F #51C03E #7ACF6C #A4DE9A

Accessibility & contrast

On white

2.34

#51C03E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#51C03E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C03E

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C03E	#FFFFFF	#000000	##000000
##51C03E	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF2C

Deuteranopia (green-blind)

#B7A64A

Tritanopia (blue-blind)

#42BAA6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51c03e;
/* rgb */ color: rgb(81, 192, 62);
/* oklch */ color: oklch(71.7% 0.196 140.9);

Tailwind

colors: {
  custom: {
    50: '#8dd47a',
    500: '#51c03e',
    950: '#000000',
  },
}

SCSS

$custom: #51c03e;
$custom-light: #8dd47a;
$custom-dark: #000000;

JSON

{
  "hex": "#51c03e",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 62
  },
  "hsl": {
    "h": 111.231,
    "s": 51.181,
    "l": 49.804
  },
  "oklch": {
    "l": 0.71703,
    "c": 0.1962,
    "h": 140.9
  },
  "luminance": 0.39796
}

Semantic roles & 50–950 ramp

primary

#51C03E

secondary

#C28FCA

accent

#4DDBC6

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C03E

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

Preview Lab → · Contrast checker → · Palette generator →