#51DB4D#51DB4D

#51DB4D is a light, highly saturated green. Relative luminance 0.529; OKLCH L 78.8% C 0.218 H 142.8°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#51DB4D
RGB	rgb(81, 219, 77)
HSL	hsl(118, 66%, 58%)
HSV	hsv(118, 65%, 86%)
CMYK	cmyk(63%, 0%, 64.8%, 14.1%)
CIE-LAB	lab(77.84, -63.82, 57.02)
CIE-LCH	lch(77.84, 85.59, 138.22°)
OKLab	oklab(78.78% -0.1735 0.1319)
OKLCH	oklch(78.78% 0.218 142.8)
XYZ	xyz(30.0627, 52.9452, 15.6549)
Luminance	0.5295 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB4D #D74DDB

analogous

#98DB4D #51DB4D #4DDB90

triadic

#51DB4D #4D51DB #DB4D51

tetradic

#51DB4D #4D98DB #D74DDB #DB904D

square

#51DB4D #4D98DB #D74DDB #DB904D

split-complementary

#51DB4D #904DDB #DB4D98

monochromatic

#20901D #2CC327 #51DB4D #83E580 #B5F0B3

Accessibility & contrast

On white

1.81

#51DB4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#51DB4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB4D

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB4D	#FFFFFF	#000000	##000000
##51DB4D	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C73B

Deuteranopia (green-blind)

#CFBC5A

Tritanopia (blue-blind)

#35D5BE

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51db4d;
/* rgb */ color: rgb(81, 219, 77);
/* oklch */ color: oklch(78.8% 0.218 142.8);

Tailwind

colors: {
  custom: {
    50: '#91e785',
    500: '#51db4d',
    950: '#000000',
  },
}

SCSS

$custom: #51db4d;
$custom-light: #91e785;
$custom-dark: #000000;

JSON

{
  "hex": "#51db4d",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 77
  },
  "hsl": {
    "h": 118.31,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.78781,
    "c": 0.21799,
    "h": 142.8
  },
  "luminance": 0.52948
}

Semantic roles & 50–950 ramp

primary

#51DB4D

secondary

#933796

accent

#3FE9E4

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DB4D

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

Preview Lab → · Contrast checker → · Palette generator →