#51D849#51D849

#51D849 is a light, highly saturated green. Relative luminance 0.513; OKLCH L 78.0% C 0.217 H 142.3°. Best body text is #000000 at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#51D849
RGB	rgb(81, 216, 73)
HSL	hsl(117, 65%, 57%)
HSV	hsv(117, 66%, 85%)
CMYK	cmyk(62.5%, 0%, 66.2%, 15.3%)
CIE-LAB	lab(76.88, -63.18, 57.60)
CIE-LCH	lch(76.88, 85.49, 137.64°)
OKLab	oklab(77.98% -0.172 0.1327)
OKLCH	oklch(77.98% 0.217 142.3)
XYZ	xyz(29.1502, 51.3393, 14.6753)
Luminance	0.5134 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D849 #D049D8

analogous

#99D849 #51D849 #49D889

triadic

#51D849 #4951D8 #D84951

tetradic

#51D849 #4999D8 #D049D8 #D88949

square

#51D849 #4999D8 #D049D8 #D88949

split-complementary

#51D849 #8949D8 #D84999

monochromatic

#23891D #30BC28 #51D849 #81E37B #B1EEAE

Accessibility & contrast

On white

1.86

#51D849 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.27

#51D849 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D849

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D849	#FFFFFF	#000000	##000000
##51D849	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)

#DDC536

Deuteranopia (green-blind)

#CCB956

Tritanopia (blue-blind)

#37D2BB

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d849;
/* rgb */ color: rgb(81, 216, 73);
/* oklch */ color: oklch(78.0% 0.217 142.3);

Tailwind

colors: {
  custom: {
    50: '#91e582',
    500: '#51d849',
    950: '#000000',
  },
}

SCSS

$custom: #51d849;
$custom-light: #91e582;
$custom-dark: #000000;

JSON

{
  "hex": "#51d849",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 73
  },
  "hsl": {
    "h": 116.643,
    "s": 64.706,
    "l": 56.667
  },
  "oklch": {
    "l": 0.77977,
    "c": 0.21724,
    "h": 142.3
  },
  "luminance": 0.51342
}

Semantic roles & 50–950 ramp

primary

#51D849

secondary

#8A368F

accent

#40E8DE

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51D849

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

Preview Lab → · Contrast checker → · Palette generator →