#51D57F#51D57F

#51D57F is a light, vivid green. Relative luminance 0.509; OKLCH L 77.9% C 0.168 H 151.8°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#51D57F
RGB	rgb(81, 213, 127)
HSL	hsl(141, 61%, 58%)
HSV	hsv(141, 62%, 84%)
CMYK	cmyk(62%, 0%, 40.4%, 16.5%)
CIE-LAB	lab(76.60, -54.90, 32.08)
CIE-LCH	lch(76.60, 63.58, 149.70°)
OKLab	oklab(77.95% -0.1484 0.0796)
OKLCH	oklch(77.95% 0.168 151.8)
XYZ	xyz(31.0159, 50.8670, 28.2583)
Luminance	0.5087 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D57F #D551A7

analogous

#65D551 #51D57F #51D5C1

triadic

#51D57F #7F51D5 #D57F51

tetradic

#51D57F #5165D5 #D551A7 #D5C151

square

#51D57F #5165D5 #D551A7 #D5C151

split-complementary

#51D57F #C151D5 #D55165

monochromatic

#218A46 #2DBC5F #51D57F #82E1A3 #B4EDC8

Accessibility & contrast

On white

1.88

#51D57F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#51D57F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D57F

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D57F	#FFFFFF	#000000	##000000
##51D57F	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)

#D6C479

Deuteranopia (green-blind)

#C4B885

Tritanopia (blue-blind)

#20D2C0

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d57f;
/* rgb */ color: rgb(81, 213, 127);
/* oklch */ color: oklch(77.9% 0.168 151.8);

Tailwind

colors: {
  custom: {
    50: '#8fe3a5',
    500: '#51d57f',
    950: '#000000',
  },
}

SCSS

$custom: #51d57f;
$custom-light: #8fe3a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d57f",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 127
  },
  "hsl": {
    "h": 140.909,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77948,
    "c": 0.1684,
    "h": 151.8
  },
  "luminance": 0.5087
}

Semantic roles & 50–950 ramp

primary

#51D57F

secondary

#903A72

accent

#44ACE4

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0D150F

muted

#7F8480

Preview Lab

Preview with #51D57F

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

Preview Lab → · Contrast checker → · Palette generator →