#51D86F#51D86F

#51D86F is a light, vivid green. Relative luminance 0.520; OKLCH L 78.4% C 0.187 H 147.8°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#51D86F
RGB	rgb(81, 216, 111)
HSL	hsl(133, 63%, 58%)
HSV	hsv(133, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 48.6%, 15.3%)
CIE-LAB	lab(77.28, -58.59, 40.95)
CIE-LCH	lch(77.28, 71.49, 145.05°)
OKLab	oklab(78.44% -0.1582 0.0995)
OKLCH	oklch(78.44% 0.187 147.8)
XYZ	xyz(30.8163, 52.0057, 23.4499)
Luminance	0.5201 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D86F #D851BA

analogous

#76D851 #51D86F #51D8B2

triadic

#51D86F #6F51D8 #D86F51

tetradic

#51D86F #5176D8 #D851BA #D8B251

square

#51D86F #5176D8 #D851BA #D8B251

split-complementary

#51D86F #B251D8 #D85176

monochromatic

#208F39 #2BC14C #51D86F #83E398 #B5EEC2

Accessibility & contrast

On white

1.84

#51D86F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#51D86F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D86F

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D86F	#FFFFFF	#000000	##000000
##51D86F	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC666

Deuteranopia (green-blind)

#C9BA76

Tritanopia (blue-blind)

#29D4BF

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d86f;
/* rgb */ color: rgb(81, 216, 111);
/* oklch */ color: oklch(78.4% 0.187 147.8);

Tailwind

colors: {
  custom: {
    50: '#8fe59a',
    500: '#51d86f',
    950: '#000000',
  },
}

SCSS

$custom: #51d86f;
$custom-light: #8fe59a;
$custom-dark: #000000;

JSON

{
  "hex": "#51d86f",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 111
  },
  "hsl": {
    "h": 133.333,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78437,
    "c": 0.18689,
    "h": 147.8
  },
  "luminance": 0.52009
}

Semantic roles & 50–950 ramp

primary

#51D86F

secondary

#943980

accent

#41C2E6

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160E

muted

#7F847F

Preview Lab

Preview with #51D86F

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

Preview Lab → · Contrast checker → · Palette generator →