#51D856#51D856

#51D856 is a light, highly saturated green. Relative luminance 0.515; OKLCH L 78.1% C 0.208 H 143.8°. Best body text is #000000 at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#51D856
RGB	rgb(81, 216, 86)
HSL	hsl(122, 63%, 58%)
HSV	hsv(122, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 60.2%, 15.3%)
CIE-LAB	lab(77.00, -61.84, 52.25)
CIE-LCH	lch(77.00, 80.96, 139.80°)
OKLab	oklab(78.11% -0.1677 0.1226)
OKLCH	oklch(78.11% 0.208 143.8)
XYZ	xyz(29.6272, 51.5300, 17.1873)
Luminance	0.5153 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D856 #D851D3

analogous

#8FD851 #51D856 #51D899

triadic

#51D856 #5651D8 #D85651

tetradic

#51D856 #518FD8 #D851D3 #D89951

square

#51D856 #518FD8 #D851D3 #D89951

split-complementary

#51D856 #9951D8 #D8518F

monochromatic

#208F24 #2BC131 #51D856 #83E387 #B5EEB7

Accessibility & contrast

On white

1.86

#51D856 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.31

#51D856 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D856

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D856	#FFFFFF	#000000	##000000
##51D856	1.00	1.86	11.31	11.31
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.31	21.00	1.00	1.00
##000000	11.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC548

Deuteranopia (green-blind)

#CBBA61

Tritanopia (blue-blind)

#34D2BC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d856;
/* rgb */ color: rgb(81, 216, 86);
/* oklch */ color: oklch(78.1% 0.208 143.8);

Tailwind

colors: {
  custom: {
    50: '#90e58a',
    500: '#51d856',
    950: '#000000',
  },
}

SCSS

$custom: #51d856;
$custom-light: #90e58a;
$custom-dark: #000000;

JSON

{
  "hex": "#51d856",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 86
  },
  "hsl": {
    "h": 122.222,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78109,
    "c": 0.20779,
    "h": 143.8
  },
  "luminance": 0.51533
}

Semantic roles & 50–950 ramp

primary

#51D856

secondary

#943991

accent

#41E0E6

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51D856

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

Preview Lab → · Contrast checker → · Palette generator →