#51C03F#51C03F

#51C03F is a light, vivid green. Relative luminance 0.398; OKLCH L 71.7% C 0.196 H 141.0°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#51C03F
RGB	rgb(81, 192, 63)
HSL	hsl(112, 51%, 50%)
HSV	hsv(112, 67%, 75%)
CMYK	cmyk(57.8%, 0%, 67.2%, 24.7%)
CIE-LAB	lab(69.33, -55.60, 53.51)
CIE-LCH	lch(69.33, 77.17, 136.10°)
OKLab	oklab(71.71% -0.152 0.123)
OKLCH	oklch(71.71% 0.196 141)
XYZ	xyz(23.1391, 39.8054, 11.1655)
Luminance	0.3981 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C03F #AE3FC0

analogous

#91C03F #51C03F #3FC06E

triadic

#51C03F #3F51C0 #C03F51

tetradic

#51C03F #3F91C0 #AE3FC0 #C06E3F

square

#51C03F #3F91C0 #AE3FC0 #C06E3F

split-complementary

#51C03F #6E3FC0 #C03F91

monochromatic

#2A6421 #3E9230 #51C03F #7BCF6D #A5DE9B

Accessibility & contrast

On white

2.34

#51C03F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#51C03F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C03F

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C03F	#FFFFFF	#000000	##000000
##51C03F	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)

#C5AF2D

Deuteranopia (green-blind)

#B7A64B

Tritanopia (blue-blind)

#42BAA6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51c03f;
/* rgb */ color: rgb(81, 192, 63);
/* oklch */ color: oklch(71.7% 0.196 141.0);

Tailwind

colors: {
  custom: {
    50: '#8dd47a',
    500: '#51c03f',
    950: '#000000',
  },
}

SCSS

$custom: #51c03f;
$custom-light: #8dd47a;
$custom-dark: #000000;

JSON

{
  "hex": "#51c03f",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 63
  },
  "hsl": {
    "h": 111.628,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.71712,
    "c": 0.19552,
    "h": 141
  },
  "luminance": 0.39807
}

Semantic roles & 50–950 ramp

primary

#51C03F

secondary

#C291CA

accent

#4EDAC6

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C03F

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

Preview Lab → · Contrast checker → · Palette generator →