#51D448#51D448

#51D448 is a light, highly saturated green. Relative luminance 0.493; OKLCH L 76.9% C 0.213 H 142.2°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#51D448
RGB	rgb(81, 212, 72)
HSL	hsl(116, 62%, 56%)
HSV	hsv(116, 66%, 83%)
CMYK	cmyk(61.8%, 0%, 66%, 16.9%)
CIE-LAB	lab(75.64, -61.89, 56.66)
CIE-LCH	lch(75.64, 83.90, 137.53°)
OKLab	oklab(76.94% -0.1685 0.1306)
OKLCH	oklch(76.94% 0.213 142.2)
XYZ	xyz(28.1050, 49.3015, 14.1647)
Luminance	0.4930 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D448 #CB48D4

analogous

#97D448 #51D448 #48D485

triadic

#51D448 #4851D4 #D44851

tetradic

#51D448 #4897D4 #CB48D4 #D48548

square

#51D448 #4897D4 #CB48D4 #D48548

split-complementary

#51D448 #8548D4 #D44897

monochromatic

#25831F #33B42A #51D448 #80E07A #AFEBAB

Accessibility & contrast

On white

1.93

#51D448 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#51D448 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D448

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D448	#FFFFFF	#000000	##000000
##51D448	1.00	1.93	10.86	10.86
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.86	21.00	1.00	1.00
##000000	10.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C135

Deuteranopia (green-blind)

#C9B655

Tritanopia (blue-blind)

#39CEB7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d448;
/* rgb */ color: rgb(81, 212, 72);
/* oklch */ color: oklch(76.9% 0.213 142.2);

Tailwind

colors: {
  custom: {
    50: '#90e281',
    500: '#51d448',
    950: '#000000',
  },
}

SCSS

$custom: #51d448;
$custom-light: #90e281;
$custom-dark: #000000;

JSON

{
  "hex": "#51d448",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 72
  },
  "hsl": {
    "h": 116.143,
    "s": 61.947,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76945,
    "c": 0.21323,
    "h": 142.2
  },
  "luminance": 0.49304
}

Semantic roles & 50–950 ramp

primary

#51D448

secondary

#D59FD9

accent

#43E5DB

background

#F9FEF8

surface

#F2FCEF

border

#CCD5CA

text

#0E150B

muted

#7E847C

Preview Lab

Preview with #51D448

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

Preview Lab → · Contrast checker → · Palette generator →