#51E845#51E845

#51E845 is a very light, highly saturated green. Relative luminance 0.599; OKLCH L 82.0% C 0.238 H 142.1°. Best body text is #000000 at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#51E845
RGB	rgb(81, 232, 69)
HSL	hsl(116, 78%, 59%)
HSV	hsv(116, 70%, 91%)
CMYK	cmyk(65.1%, 0%, 70.3%, 9%)
CIE-LAB	lab(81.78, -68.89, 64.30)
CIE-LCH	lch(81.78, 94.24, 136.97°)
OKLab	oklab(82.02% -0.1877 0.1463)
OKLCH	oklch(82.02% 0.238 142.1)
XYZ	xyz(33.3223, 59.8888, 15.4327)
Luminance	0.5989 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E845 #DC45E8

analogous

#A3E845 #51E845 #45E88B

triadic

#51E845 #4551E8 #E84551

tetradic

#51E845 #45A3E8 #DC45E8 #E88B45

square

#51E845 #45A3E8 #DC45E8 #E88B45

split-complementary

#51E845 #8B45E8 #E845A3

monochromatic

#1E9F14 #28D51A #51E845 #84EF7B #B7F5B2

Accessibility & contrast

On white

1.62

#51E845 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.98

#51E845 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E845

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E845	#FFFFFF	#000000	##000000
##51E845	1.00	1.62	12.98	12.98
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.98	21.00	1.00	1.00
##000000	12.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD32A

Deuteranopia (green-blind)

#DBC755

Tritanopia (blue-blind)

#31E1C8

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e845;
/* rgb */ color: rgb(81, 232, 69);
/* oklch */ color: oklch(82.0% 0.238 142.1);

Tailwind

colors: {
  custom: {
    50: '#94f181',
    500: '#51e845',
    950: '#000000',
  },
}

SCSS

$custom: #51e845;
$custom-light: #94f181;
$custom-dark: #000000;

JSON

{
  "hex": "#51e845",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 69
  },
  "hsl": {
    "h": 115.583,
    "s": 77.99,
    "l": 59.02
  },
  "oklch": {
    "l": 0.82018,
    "c": 0.23797,
    "h": 142.1
  },
  "luminance": 0.59892
}

Semantic roles & 50–950 ramp

primary

#51E845

secondary

#992FA2

accent

#33F4E6

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0F170B

muted

#80857E

Preview Lab

Preview with #51E845

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

Preview Lab → · Contrast checker → · Palette generator →