#51E541#51E541

#51E541 is a light, highly saturated green. Relative luminance 0.582; OKLCH L 81.2% C 0.237 H 141.7°. Best body text is #000000 at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#51E541
RGB	rgb(81, 229, 65)
HSL	hsl(114, 76%, 58%)
HSV	hsv(114, 72%, 90%)
CMYK	cmyk(64.6%, 0%, 71.6%, 10.2%)
CIE-LAB	lab(80.83, -68.22, 64.77)
CIE-LCH	lch(80.83, 94.07, 136.49°)
OKLab	oklab(81.23% -0.186 0.1468)
OKLCH	oklch(81.23% 0.237 141.7)
XYZ	xyz(32.3650, 58.1663, 14.5216)
Luminance	0.5817 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E541 #D541E5

analogous

#A3E541 #51E541 #41E583

triadic

#51E541 #4151E5 #E54151

tetradic

#51E541 #41A3E5 #D541E5 #E58341

square

#51E541 #41A3E5 #D541E5 #E58341

split-complementary

#51E541 #8341E5 #E541A3

monochromatic

#219715 #2DCD1C #51E541 #82EC77 #B4F4AD

Accessibility & contrast

On white

1.66

#51E541 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.63

#51E541 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E541

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E541	#FFFFFF	#000000	##000000
##51E541	1.00	1.66	12.63	12.63
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.63	21.00	1.00	1.00
##000000	12.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD024

Deuteranopia (green-blind)

#D9C452

Tritanopia (blue-blind)

#34DEC5

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e541;
/* rgb */ color: rgb(81, 229, 65);
/* oklch */ color: oklch(81.2% 0.237 141.7);

Tailwind

colors: {
  custom: {
    50: '#94ee7f',
    500: '#51e541',
    950: '#000000',
  },
}

SCSS

$custom: #51e541;
$custom-light: #94ee7f;
$custom-dark: #000000;

JSON

{
  "hex": "#51e541",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 65
  },
  "hsl": {
    "h": 114.146,
    "s": 75.926,
    "l": 57.647
  },
  "oklch": {
    "l": 0.81225,
    "c": 0.23699,
    "h": 141.7
  },
  "luminance": 0.5817
}

Semantic roles & 50–950 ramp

primary

#51E541

secondary

#902F9B

accent

#35F3E0

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0F170B

muted

#80857E

Preview Lab

Preview with #51E541

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

Preview Lab → · Contrast checker → · Palette generator →