#51DB4A#51DB4A

#51DB4A is a light, highly saturated green. Relative luminance 0.529; OKLCH L 78.8% C 0.220 H 142.5°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#51DB4A
RGB	rgb(81, 219, 74)
HSL	hsl(117, 67%, 57%)
HSV	hsv(117, 66%, 86%)
CMYK	cmyk(63%, 0%, 66.2%, 14.1%)
CIE-LAB	lab(77.82, -64.11, 58.21)
CIE-LCH	lch(77.82, 86.59, 137.76°)
OKLab	oklab(78.75% -0.1745 0.1341)
OKLCH	oklch(78.75% 0.22 142.5)
XYZ	xyz(29.9592, 52.9038, 15.1099)
Luminance	0.5291 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB4A #D44ADB

analogous

#9ADB4A #51DB4A #4ADB8B

triadic

#51DB4A #4A51DB #DB4A51

tetradic

#51DB4A #4A9ADB #D44ADB #DB8B4A

square

#51DB4A #4A9ADB #D44ADB #DB8B4A

split-complementary

#51DB4A #8B4ADB #DB4A9A

monochromatic

#228E1C #2EC126 #51DB4A #82E57D #B3EFB0

Accessibility & contrast

On white

1.81

#51DB4A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#51DB4A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB4A

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB4A	#FFFFFF	#000000	##000000
##51DB4A	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)

#E0C737

Deuteranopia (green-blind)

#CFBC57

Tritanopia (blue-blind)

#36D5BD

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51db4a;
/* rgb */ color: rgb(81, 219, 74);
/* oklch */ color: oklch(78.8% 0.220 142.5);

Tailwind

colors: {
  custom: {
    50: '#91e783',
    500: '#51db4a',
    950: '#000000',
  },
}

SCSS

$custom: #51db4a;
$custom-light: #91e783;
$custom-dark: #000000;

JSON

{
  "hex": "#51db4a",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 74
  },
  "hsl": {
    "h": 117.103,
    "s": 66.82,
    "l": 57.451
  },
  "oklch": {
    "l": 0.78752,
    "c": 0.22006,
    "h": 142.5
  },
  "luminance": 0.52907
}

Semantic roles & 50–950 ramp

primary

#51DB4A

secondary

#8F3694

accent

#3EEAE1

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DB4A

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

Preview Lab → · Contrast checker → · Palette generator →