#51D97F#51D97F

#51D97F is a light, vivid green. Relative luminance 0.529; OKLCH L 79.0% C 0.174 H 151.3°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#51D97F
RGB	rgb(81, 217, 127)
HSL	hsl(140, 64%, 58%)
HSV	hsv(140, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 41.5%, 14.9%)
CIE-LAB	lab(77.82, -56.43, 33.67)
CIE-LCH	lch(77.82, 65.71, 149.17°)
OKLab	oklab(78.95% -0.1524 0.0833)
OKLCH	oklch(78.95% 0.174 151.3)
XYZ	xyz(32.0344, 52.9041, 28.5979)
Luminance	0.5291 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D97F #D951AB

analogous

#67D951 #51D97F #51D9C3

triadic

#51D97F #7F51D9 #D97F51

tetradic

#51D97F #5167D9 #D951AB #D9C351

square

#51D97F #5167D9 #D951AB #D9C351

split-complementary

#51D97F #C351D9 #D95167

monochromatic

#1F9046 #2AC25E #51D97F #83E4A4 #B5EFC9

Accessibility & contrast

On white

1.81

#51D97F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#51D97F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D97F

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D97F	#FFFFFF	#000000	##000000
##51D97F	1.00	1.81	11.58	11.58
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.58	21.00	1.00	1.00
##000000	11.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC879

Deuteranopia (green-blind)

#C8BB85

Tritanopia (blue-blind)

#1DD6C3

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d97f;
/* rgb */ color: rgb(81, 217, 127);
/* oklch */ color: oklch(79.0% 0.174 151.3);

Tailwind

colors: {
  custom: {
    50: '#8fe6a5',
    500: '#51d97f',
    950: '#000000',
  },
}

SCSS

$custom: #51d97f;
$custom-light: #8fe6a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d97f",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 127
  },
  "hsl": {
    "h": 140.294,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.78952,
    "c": 0.17373,
    "h": 151.3
  },
  "luminance": 0.52907
}

Semantic roles & 50–950 ramp

primary

#51D97F

secondary

#953976

accent

#41AFE7

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D97F

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

Preview Lab → · Contrast checker → · Palette generator →