#51CF78#51CF78

#51CF78 is a light, vivid green. Relative luminance 0.477; OKLCH L 76.3% C 0.167 H 150.6°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#51CF78
RGB	rgb(81, 207, 120)
HSL	hsl(139, 57%, 56%)
HSV	hsv(139, 61%, 81%)
CMYK	cmyk(60.9%, 0%, 42%, 18.8%)
CIE-LAB	lab(74.65, -53.78, 33.11)
CIE-LCH	lch(74.65, 63.15, 148.38°)
OKLab	oklab(76.31% -0.1453 0.0818)
OKLCH	oklch(76.31% 0.167 150.6)
XYZ	xyz(29.0941, 47.7282, 25.4449)
Luminance	0.4773 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF78 #CF51A8

analogous

#69CF51 #51CF78 #51CFB7

triadic

#51CF78 #7851CF #CF7851

tetradic

#51CF78 #5169CF #CF51A8 #CFB751

square

#51CF78 #5169CF #CF51A8 #CFB751

split-complementary

#51CF78 #B751CF #CF5169

monochromatic

#248241 #31B259 #51CF78 #81DC9D #B1E9C2

Accessibility & contrast

On white

1.99

#51CF78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#51CF78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF78

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF78	#FFFFFF	#000000	##000000
##51CF78	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BF72

Deuteranopia (green-blind)

#C0B37E

Tritanopia (blue-blind)

#29CCBA

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51cf78;
/* rgb */ color: rgb(81, 207, 120);
/* oklch */ color: oklch(76.3% 0.167 150.6);

Tailwind

colors: {
  custom: {
    50: '#8edfa0',
    500: '#51cf78',
    950: '#000000',
  },
}

SCSS

$custom: #51cf78;
$custom-light: #8edfa0;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf78",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 120
  },
  "hsl": {
    "h": 138.571,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.76313,
    "c": 0.16679,
    "h": 150.6
  },
  "luminance": 0.47731
}

Semantic roles & 50–950 ramp

primary

#51CF78

secondary

#D8A4C8

accent

#48B1E0

background

#F9FDF9

surface

#F2FBF2

border

#CCD4CC

text

#0D150F

muted

#7E837E

Preview Lab

Preview with #51CF78

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

Preview Lab → · Contrast checker → · Palette generator →