#51DF78#51DF78

#51DF78 is a light, vivid green. Relative luminance 0.559; OKLCH L 80.3% C 0.188 H 149.2°. Best body text is #000000 at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#51DF78
RGB	rgb(81, 223, 120)
HSL	hsl(136, 69%, 60%)
HSV	hsv(136, 64%, 87%)
CMYK	cmyk(63.7%, 0%, 46.2%, 12.5%)
CIE-LAB	lab(79.54, -59.81, 39.39)
CIE-LCH	lch(79.54, 71.61, 146.63°)
OKLab	oklab(80.34% -0.1614 0.0963)
OKLCH	oklch(80.34% 0.188 149.2)
XYZ	xyz(33.1687, 55.8774, 26.8031)
Luminance	0.5588 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DF78 #DF51B8

analogous

#71DF51 #51DF78 #51DFBF

triadic

#51DF78 #7851DF #DF7851

tetradic

#51DF78 #5171DF #DF51B8 #DFBF51

square

#51DF78 #5171DF #DF51B8 #DFBF51

split-complementary

#51DF78 #BF51DF #DF5171

monochromatic

#1C993F #26CD54 #51DF78 #85E9A0 #B8F2C8

Accessibility & contrast

On white

1.72

#51DF78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.18

#51DF78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DF78

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DF78	#FFFFFF	#000000	##000000
##51DF78	1.00	1.72	12.18	12.18
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.18	21.00	1.00	1.00
##000000	12.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CD70

Deuteranopia (green-blind)

#CFC07F

Tritanopia (blue-blind)

#1EDBC6

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51df78;
/* rgb */ color: rgb(81, 223, 120);
/* oklch */ color: oklch(80.3% 0.188 149.2);

Tailwind

colors: {
  custom: {
    50: '#90eaa0',
    500: '#51df78',
    950: '#000000',
  },
}

SCSS

$custom: #51df78;
$custom-light: #90eaa0;
$custom-dark: #000000;

JSON

{
  "hex": "#51df78",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 120
  },
  "hsl": {
    "h": 136.479,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.80339,
    "c": 0.18793,
    "h": 149.2
  },
  "luminance": 0.55881
}

Semantic roles & 50–950 ramp

primary

#51DF78

secondary

#9D3781

accent

#3CBCEC

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DF78

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

Preview Lab → · Contrast checker → · Palette generator →