#51D445#51D445

#51D445 is a light, highly saturated green. Relative luminance 0.493; OKLCH L 76.9% C 0.215 H 141.9°. Best body text is #000000 at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#51D445
RGB	rgb(81, 212, 69)
HSL	hsl(115, 62%, 55%)
HSV	hsv(115, 67%, 83%)
CMYK	cmyk(61.8%, 0%, 67.5%, 16.9%)
CIE-LAB	lab(75.61, -62.16, 57.83)
CIE-LCH	lch(75.61, 84.90, 137.07°)
OKLab	oklab(76.92% -0.1694 0.1328)
OKLCH	oklch(76.92% 0.215 141.9)
XYZ	xyz(28.0095, 49.2633, 13.6618)
Luminance	0.4927 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D445 #C845D4

analogous

#98D445 #51D445 #45D480

triadic

#51D445 #4551D4 #D44551

tetradic

#51D445 #4598D4 #C845D4 #D48045

square

#51D445 #4598D4 #C845D4 #D48045

split-complementary

#51D445 #8045D4 #D44598

monochromatic

#26811E #35B329 #51D445 #80DF77 #AEEBA8

Accessibility & contrast

On white

1.93

#51D445 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.85

#51D445 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D445

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D445	#FFFFFF	#000000	##000000
##51D445	1.00	1.93	10.85	10.85
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.85	21.00	1.00	1.00
##000000	10.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C131

Deuteranopia (green-blind)

#C9B652

Tritanopia (blue-blind)

#3ACEB7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d445;
/* rgb */ color: rgb(81, 212, 69);
/* oklch */ color: oklch(76.9% 0.215 141.9);

Tailwind

colors: {
  custom: {
    50: '#90e27f',
    500: '#51d445',
    950: '#000000',
  },
}

SCSS

$custom: #51d445;
$custom-light: #90e27f;
$custom-dark: #000000;

JSON

{
  "hex": "#51d445",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 69
  },
  "hsl": {
    "h": 114.965,
    "s": 62.445,
    "l": 55.098
  },
  "oklch": {
    "l": 0.76918,
    "c": 0.21526,
    "h": 141.9
  },
  "luminance": 0.49266
}

Semantic roles & 50–950 ramp

primary

#51D445

secondary

#D39CD8

accent

#42E6D8

background

#F9FEF8

surface

#F2FCEF

border

#CCD5CA

text

#0E150B

muted

#7E847C

Preview Lab

Preview with #51D445

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

Preview Lab → · Contrast checker → · Palette generator →