#51DA4C#51DA4C

#51DA4C is a light, highly saturated green. Relative luminance 0.524; OKLCH L 78.5% C 0.218 H 142.7°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#51DA4C
RGB	rgb(81, 218, 76)
HSL	hsl(118, 66%, 58%)
HSV	hsv(118, 65%, 85%)
CMYK	cmyk(62.8%, 0%, 65.1%, 14.5%)
CIE-LAB	lab(77.53, -63.58, 57.08)
CIE-LCH	lch(77.53, 85.44, 138.08°)
OKLab	oklab(78.52% -0.1729 0.132)
OKLCH	oklch(78.52% 0.218 142.7)
XYZ	xyz(29.7676, 52.4110, 15.3837)
Luminance	0.5241 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA4C #D54CDA

analogous

#98DA4C #51DA4C #4CDA8E

triadic

#51DA4C #4C51DA #DA4C51

tetradic

#51DA4C #4C98DA #D54CDA #DA8E4C

square

#51DA4C #4C98DA #D54CDA #DA8E4C

split-complementary

#51DA4C #8E4CDA #DA4C98

monochromatic

#218E1D #2DC128 #51DA4C #82E47F #B4EFB1

Accessibility & contrast

On white

1.83

#51DA4C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#51DA4C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA4C

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA4C	#FFFFFF	#000000	##000000
##51DA4C	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC63A

Deuteranopia (green-blind)

#CEBB59

Tritanopia (blue-blind)

#36D4BD

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51da4c;
/* rgb */ color: rgb(81, 218, 76);
/* oklch */ color: oklch(78.5% 0.218 142.7);

Tailwind

colors: {
  custom: {
    50: '#91e784',
    500: '#51da4c',
    950: '#000000',
  },
}

SCSS

$custom: #51da4c;
$custom-light: #91e784;
$custom-dark: #000000;

JSON

{
  "hex": "#51da4c",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 76
  },
  "hsl": {
    "h": 117.887,
    "s": 65.741,
    "l": 57.647
  },
  "oklch": {
    "l": 0.78516,
    "c": 0.21751,
    "h": 142.7
  },
  "luminance": 0.52414
}

Semantic roles & 50–950 ramp

primary

#51DA4C

secondary

#903794

accent

#3FE9E3

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DA4C

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

Preview Lab → · Contrast checker → · Palette generator →