#51D780#51D780

#51D780 is a light, vivid green. Relative luminance 0.519; OKLCH L 78.5% C 0.170 H 151.8°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#51D780
RGB	rgb(81, 215, 128)
HSL	hsl(141, 63%, 58%)
HSV	hsv(141, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 40.5%, 15.7%)
CIE-LAB	lab(77.22, -55.49, 32.39)
CIE-LCH	lch(77.22, 64.26, 149.73°)
OKLab	oklab(78.47% -0.15 0.0804)
OKLCH	oklch(78.47% 0.17 151.8)
XYZ	xyz(31.5876, 51.9055, 28.7720)
Luminance	0.5191 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D780 #D751A8

analogous

#65D751 #51D780 #51D7C3

triadic

#51D780 #8051D7 #D78051

tetradic

#51D780 #5165D7 #D751A8 #D7C351

square

#51D780 #5165D7 #D751A8 #D7C351

split-complementary

#51D780 #C351D7 #D75165

monochromatic

#208D47 #2CBF5F #51D780 #83E2A4 #B5EEC9

Accessibility & contrast

On white

1.85

#51D780 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#51D780 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D780

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D780	#FFFFFF	#000000	##000000
##51D780	1.00	1.85	11.38	11.38
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C67A

Deuteranopia (green-blind)

#C6BA86

Tritanopia (blue-blind)

#1DD4C1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d780;
/* rgb */ color: rgb(81, 215, 128);
/* oklch */ color: oklch(78.5% 0.170 151.8);

Tailwind

colors: {
  custom: {
    50: '#8fe4a5',
    500: '#51d780',
    950: '#000000',
  },
}

SCSS

$custom: #51d780;
$custom-light: #8fe4a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d780",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 128
  },
  "hsl": {
    "h": 141.045,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.78468,
    "c": 0.17016,
    "h": 151.8
  },
  "luminance": 0.51909
}

Semantic roles & 50–950 ramp

primary

#51D780

secondary

#933973

accent

#42ACE6

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D780

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

Preview Lab → · Contrast checker → · Palette generator →