#51D84B#51D84B

#51D84B is a light, highly saturated green. Relative luminance 0.514; OKLCH L 78.0% C 0.216 H 142.5°. Best body text is #000000 at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#51D84B
RGB	rgb(81, 216, 75)
HSL	hsl(117, 64%, 57%)
HSV	hsv(117, 65%, 85%)
CMYK	cmyk(62.5%, 0%, 65.3%, 15.3%)
CIE-LAB	lab(76.90, -62.99, 56.81)
CIE-LCH	lch(76.90, 84.82, 137.95°)
OKLab	oklab(78% -0.1714 0.1313)
OKLCH	oklch(78% 0.216 142.5)
XYZ	xyz(29.2176, 51.3662, 15.0302)
Luminance	0.5137 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D84B #D24BD8

analogous

#98D84B #51D84B #4BD88C

triadic

#51D84B #4B51D8 #D84B51

tetradic

#51D84B #4B98D8 #D24BD8 #D88C4B

square

#51D84B #4B98D8 #D24BD8 #D88C4B

split-complementary

#51D84B #8C4BD8 #D84B98

monochromatic

#238B1E #2FBD29 #51D84B #82E37D #B2EEB0

Accessibility & contrast

On white

1.86

#51D84B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.27

#51D84B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D84B

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D84B	#FFFFFF	#000000	##000000
##51D84B	1.00	1.86	11.27	11.27
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.27	21.00	1.00	1.00
##000000	11.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC539

Deuteranopia (green-blind)

#CCBA58

Tritanopia (blue-blind)

#37D2BB

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d84b;
/* rgb */ color: rgb(81, 216, 75);
/* oklch */ color: oklch(78.0% 0.216 142.5);

Tailwind

colors: {
  custom: {
    50: '#91e583',
    500: '#51d84b',
    950: '#000000',
  },
}

SCSS

$custom: #51d84b;
$custom-light: #91e583;
$custom-dark: #000000;

JSON

{
  "hex": "#51d84b",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 75
  },
  "hsl": {
    "h": 117.447,
    "s": 64.384,
    "l": 57.059
  },
  "oklch": {
    "l": 0.77996,
    "c": 0.21586,
    "h": 142.5
  },
  "luminance": 0.51369
}

Semantic roles & 50–950 ramp

primary

#51D84B

secondary

#8D3790

accent

#40E7E0

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51D84B

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

Preview Lab → · Contrast checker → · Palette generator →