#51CF4E#51CF4E

#51CF4E is a light, highly saturated green. Relative luminance 0.469; OKLCH L 75.7% C 0.203 H 142.9°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#51CF4E
RGB	rgb(81, 207, 78)
HSL	hsl(119, 57%, 56%)
HSV	hsv(119, 62%, 81%)
CMYK	cmyk(60.9%, 0%, 62.3%, 18.8%)
CIE-LAB	lab(74.14, -59.53, 52.50)
CIE-LCH	lch(74.14, 79.37, 138.59°)
OKLab	oklab(75.72% -0.1618 0.1224)
OKLCH	oklch(75.72% 0.203 142.9)
XYZ	xyz(27.0798, 46.9225, 14.8361)
Luminance	0.4693 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF4E #CC4ECF

analogous

#91CF4E #51CF4E #4ECF8B

triadic

#51CF4E #4E51CF #CF4E51

tetradic

#51CF4E #4E91CF #CC4ECF #CF8B4E

square

#51CF4E #4E91CF #CC4ECF #CF8B4E

split-complementary

#51CF4E #8B4ECF #CF4E91

monochromatic

#258023 #33B030 #51CF4E #80DC7E #B0E9AE

Accessibility & contrast

On white

2.02

#51CF4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.39

#51CF4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF4E

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF4E	#FFFFFF	#000000	##000000
##51CF4E	1.00	2.02	10.39	10.39
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.39	21.00	1.00	1.00
##000000	10.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BD3F

Deuteranopia (green-blind)

#C4B259

Tritanopia (blue-blind)

#3AC9B4

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cf4e;
/* rgb */ color: rgb(81, 207, 78);
/* oklch */ color: oklch(75.7% 0.203 142.9);

Tailwind

colors: {
  custom: {
    50: '#8fdf84',
    500: '#51cf4e',
    950: '#000000',
  },
}

SCSS

$custom: #51cf4e;
$custom-light: #8fdf84;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf4e",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 78
  },
  "hsl": {
    "h": 118.605,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75724,
    "c": 0.20293,
    "h": 142.9
  },
  "luminance": 0.46925
}

Semantic roles & 50–950 ramp

primary

#51CF4E

secondary

#D6A2D7

accent

#47E1DD

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51CF4E

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

Preview Lab → · Contrast checker → · Palette generator →