#51D66F#51D66F

#51D66F is a light, vivid green. Relative luminance 0.510; OKLCH L 77.9% C 0.184 H 148.0°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#51D66F
RGB	rgb(81, 214, 111)
HSL	hsl(134, 62%, 58%)
HSV	hsv(134, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 48.1%, 16.1%)
CIE-LAB	lab(76.67, -57.86, 40.19)
CIE-LCH	lch(76.67, 70.44, 145.22°)
OKLab	oklab(77.93% -0.1562 0.0977)
OKLCH	oklch(77.93% 0.184 148)
XYZ	xyz(30.3070, 50.9872, 23.2802)
Luminance	0.5099 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D66F #D651B8

analogous

#75D651 #51D66F #51D6B1

triadic

#51D66F #6F51D6 #D66F51

tetradic

#51D66F #5175D6 #D651B8 #D6B151

square

#51D66F #5175D6 #D651B8 #D6B151

split-complementary

#51D66F #B151D6 #D65175

monochromatic

#218C39 #2DBD4D #51D66F #83E298 #B4EDC1

Accessibility & contrast

On white

1.88

#51D66F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#51D66F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D66F

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D66F	#FFFFFF	#000000	##000000
##51D66F	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C467

Deuteranopia (green-blind)

#C7B976

Tritanopia (blue-blind)

#2AD2BE

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d66f;
/* rgb */ color: rgb(81, 214, 111);
/* oklch */ color: oklch(77.9% 0.184 148.0);

Tailwind

colors: {
  custom: {
    50: '#8fe49a',
    500: '#51d66f',
    950: '#000000',
  },
}

SCSS

$custom: #51d66f;
$custom-light: #8fe49a;
$custom-dark: #000000;

JSON

{
  "hex": "#51d66f",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 111
  },
  "hsl": {
    "h": 133.534,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.77932,
    "c": 0.18428,
    "h": 148
  },
  "luminance": 0.5099
}

Semantic roles & 50–950 ramp

primary

#51D66F

secondary

#923A7E

accent

#43C0E5

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160E

muted

#7F847F

Preview Lab

Preview with #51D66F

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

Preview Lab → · Contrast checker → · Palette generator →