#51D749#51D749

#51D749 is a light, highly saturated green. Relative luminance 0.508; OKLCH L 77.7% C 0.216 H 142.3°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#51D749
RGB	rgb(81, 215, 73)
HSL	hsl(117, 64%, 56%)
HSV	hsv(117, 66%, 84%)
CMYK	cmyk(62.3%, 0%, 66%, 15.7%)
CIE-LAB	lab(76.57, -62.83, 57.27)
CIE-LCH	lch(76.57, 85.01, 137.65°)
OKLab	oklab(77.72% -0.171 0.132)
OKLCH	oklch(77.72% 0.216 142.3)
XYZ	xyz(28.8948, 50.8284, 14.5902)
Luminance	0.5083 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D749 #CF49D7

analogous

#98D749 #51D749 #49D788

triadic

#51D749 #4951D7 #D74951

tetradic

#51D749 #4998D7 #CF49D7 #D78849

square

#51D749 #4998D7 #CF49D7 #D78849

split-complementary

#51D749 #8849D7 #D74998

monochromatic

#24881E #31BA29 #51D749 #81E27B #B1EDAD

Accessibility & contrast

On white

1.88

#51D749 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#51D749 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D749

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D749	#FFFFFF	#000000	##000000
##51D749	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC436

Deuteranopia (green-blind)

#CBB956

Tritanopia (blue-blind)

#38D1BA

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d749;
/* rgb */ color: rgb(81, 215, 73);
/* oklch */ color: oklch(77.7% 0.216 142.3);

Tailwind

colors: {
  custom: {
    50: '#91e482',
    500: '#51d749',
    950: '#000000',
  },
}

SCSS

$custom: #51d749;
$custom-light: #91e482;
$custom-dark: #000000;

JSON

{
  "hex": "#51d749",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 73
  },
  "hsl": {
    "h": 116.62,
    "s": 63.964,
    "l": 56.471
  },
  "oklch": {
    "l": 0.77722,
    "c": 0.21607,
    "h": 142.3
  },
  "luminance": 0.50831
}

Semantic roles & 50–950 ramp

primary

#51D749

secondary

#89368E

accent

#41E7DE

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51D749

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

Preview Lab → · Contrast checker → · Palette generator →