#51CF75#51CF75

#51CF75 is a light, vivid green. Relative luminance 0.477; OKLCH L 76.3% C 0.170 H 149.9°. Best body text is #000000 at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#51CF75
RGB	rgb(81, 207, 117)
HSL	hsl(137, 57%, 56%)
HSV	hsv(137, 61%, 81%)
CMYK	cmyk(60.9%, 0%, 43.5%, 18.8%)
CIE-LAB	lab(74.61, -54.27, 34.57)
CIE-LCH	lch(74.61, 64.35, 147.50°)
OKLab	oklab(76.26% -0.1466 0.0851)
OKLCH	oklch(76.26% 0.17 149.9)
XYZ	xyz(28.9149, 47.6565, 24.5010)
Luminance	0.4766 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF75 #CF51AB

analogous

#6CCF51 #51CF75 #51CFB4

triadic

#51CF75 #7551CF #CF7551

tetradic

#51CF75 #516CCF #CF51AB #CFB451

square

#51CF75 #516CCF #CF51AB #CFB451

split-complementary

#51CF75 #B451CF #CF516C

monochromatic

#24823F #31B256 #51CF75 #81DC9B #B1E9C1

Accessibility & contrast

On white

1.99

#51CF75 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.53

#51CF75 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF75

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF75	#FFFFFF	#000000	##000000
##51CF75	1.00	1.99	10.53	10.53
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.53	21.00	1.00	1.00
##000000	10.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BE6E

Deuteranopia (green-blind)

#C0B37B

Tritanopia (blue-blind)

#2ACCB9

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51cf75;
/* rgb */ color: rgb(81, 207, 117);
/* oklch */ color: oklch(76.3% 0.170 149.9);

Tailwind

colors: {
  custom: {
    50: '#8edf9e',
    500: '#51cf75',
    950: '#000000',
  },
}

SCSS

$custom: #51cf75;
$custom-light: #8edf9e;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf75",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 117
  },
  "hsl": {
    "h": 137.143,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.76261,
    "c": 0.16956,
    "h": 149.9
  },
  "luminance": 0.47659
}

Semantic roles & 50–950 ramp

primary

#51CF75

secondary

#D8A4C9

accent

#48B5E0

background

#F9FDF9

surface

#F2FBF2

border

#CCD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #51CF75

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

Preview Lab → · Contrast checker → · Palette generator →