#51C140#51C140

#51C140 is a light, vivid green. Relative luminance 0.403; OKLCH L 72.0% C 0.196 H 141.2°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#51C140
RGB	rgb(81, 193, 64)
HSL	hsl(112, 51%, 50%)
HSV	hsv(112, 67%, 76%)
CMYK	cmyk(58%, 0%, 66.8%, 24.3%)
CIE-LAB	lab(69.65, -55.87, 53.45)
CIE-LCH	lch(69.65, 77.32, 136.27°)
OKLab	oklab(71.98% -0.1527 0.1229)
OKLCH	oklch(71.98% 0.196 141.2)
XYZ	xyz(23.3876, 40.2573, 11.3875)
Luminance	0.4026 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C140 #B040C1

analogous

#91C140 #51C140 #40C16F

triadic

#51C140 #4051C1 #C14051

tetradic

#51C140 #4091C1 #B040C1 #C16F40

square

#51C140 #4091C1 #B040C1 #C16F40

split-complementary

#51C140 #6F40C1 #C14091

monochromatic

#2A6621 #3D9430 #51C140 #7BD06E #A5DF9C

Accessibility & contrast

On white

2.32

#51C140 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#51C140 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C140

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C140	#FFFFFF	#000000	##000000
##51C140	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B02F

Deuteranopia (green-blind)

#B8A74C

Tritanopia (blue-blind)

#41BBA7

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51c140;
/* rgb */ color: rgb(81, 193, 64);
/* oklch */ color: oklch(72.0% 0.196 141.2);

Tailwind

colors: {
  custom: {
    50: '#8dd57b',
    500: '#51c140',
    950: '#000000',
  },
}

SCSS

$custom: #51c140;
$custom-light: #8dd57b;
$custom-dark: #000000;

JSON

{
  "hex": "#51c140",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 64
  },
  "hsl": {
    "h": 112.093,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.7198,
    "c": 0.19604,
    "h": 141.2
  },
  "luminance": 0.40259
}

Semantic roles & 50–950 ramp

primary

#51C140

secondary

#C492CB

accent

#4DDAC8

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C140

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

Preview Lab → · Contrast checker → · Palette generator →