#51DA56#51DA56

#51DA56 is a light, highly saturated green. Relative luminance 0.526; OKLCH L 78.6% C 0.210 H 143.8°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#51DA56
RGB	rgb(81, 218, 86)
HSL	hsl(122, 65%, 59%)
HSV	hsv(122, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 60.6%, 14.5%)
CIE-LAB	lab(77.62, -62.54, 52.96)
CIE-LCH	lch(77.62, 81.95, 139.74°)
OKLab	oklab(78.62% -0.1696 0.1242)
OKLCH	oklch(78.62% 0.21 143.8)
XYZ	xyz(30.1427, 52.5610, 17.3591)
Luminance	0.5256 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA56 #DA51D5

analogous

#90DA51 #51DA56 #51DA9A

triadic

#51DA56 #5651DA #DA5651

tetradic

#51DA56 #5190DA #DA51D5 #DA9A51

square

#51DA56 #5190DA #DA51D5 #DA9A51

split-complementary

#51DA56 #9A51DA #DA5190

monochromatic

#1F9223 #2AC42F #51DA56 #83E587 #B6EFB8

Accessibility & contrast

On white

1.82

#51DA56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#51DA56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA56

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA56	#FFFFFF	#000000	##000000
##51DA56	1.00	1.82	11.51	11.51
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC747

Deuteranopia (green-blind)

#CDBB61

Tritanopia (blue-blind)

#33D4BE

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51da56;
/* rgb */ color: rgb(81, 218, 86);
/* oklch */ color: oklch(78.6% 0.210 143.8);

Tailwind

colors: {
  custom: {
    50: '#91e78a',
    500: '#51da56',
    950: '#000000',
  },
}

SCSS

$custom: #51da56;
$custom-light: #91e78a;
$custom-dark: #000000;

JSON

{
  "hex": "#51da56",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 86
  },
  "hsl": {
    "h": 122.19,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.78618,
    "c": 0.21022,
    "h": 143.8
  },
  "luminance": 0.52564
}

Semantic roles & 50–950 ramp

primary

#51DA56

secondary

#973993

accent

#40E2E8

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DA56

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

Preview Lab → · Contrast checker → · Palette generator →