#51D576#51D576

#51D576 is a light, vivid green. Relative luminance 0.506; OKLCH L 77.8% C 0.177 H 149.6°. Best body text is #000000 at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#51D576
RGB	rgb(81, 213, 118)
HSL	hsl(137, 61%, 58%)
HSV	hsv(137, 62%, 84%)
CMYK	cmyk(62%, 0%, 44.6%, 16.5%)
CIE-LAB	lab(76.46, -56.40, 36.45)
CIE-LCH	lch(76.46, 67.15, 147.12°)
OKLab	oklab(77.79% -0.1523 0.0895)
OKLCH	oklch(77.79% 0.177 149.6)
XYZ	xyz(30.4553, 50.6428, 25.3061)
Luminance	0.5065 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D576 #D551B0

analogous

#6ED551 #51D576 #51D5B8

triadic

#51D576 #7651D5 #D57651

tetradic

#51D576 #516ED5 #D551B0 #D5B851

square

#51D576 #516ED5 #D551B0 #D5B851

split-complementary

#51D576 #B851D5 #D5516E

monochromatic

#218A3F #2DBC55 #51D576 #82E19D #B4EDC4

Accessibility & contrast

On white

1.89

#51D576 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.13

#51D576 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D576

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D576	#FFFFFF	#000000	##000000
##51D576	1.00	1.89	11.13	11.13
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.13	21.00	1.00	1.00
##000000	11.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C46F

Deuteranopia (green-blind)

#C6B87C

Tritanopia (blue-blind)

#27D1BE

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d576;
/* rgb */ color: rgb(81, 213, 118);
/* oklch */ color: oklch(77.8% 0.177 149.6);

Tailwind

colors: {
  custom: {
    50: '#8fe39f',
    500: '#51d576',
    950: '#000000',
  },
}

SCSS

$custom: #51d576;
$custom-light: #8fe39f;
$custom-dark: #000000;

JSON

{
  "hex": "#51d576",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 118
  },
  "hsl": {
    "h": 136.818,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77792,
    "c": 0.17664,
    "h": 149.6
  },
  "luminance": 0.50646
}

Semantic roles & 50–950 ramp

primary

#51D576

secondary

#903A78

accent

#44B7E4

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E150E

muted

#7F847F

Preview Lab

Preview with #51D576

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

Preview Lab → · Contrast checker → · Palette generator →