#51CC45#51CC45

#51CC45 is a light, highly saturated green. Relative luminance 0.454; OKLCH L 74.9% C 0.206 H 141.9°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#51CC45
RGB	rgb(81, 204, 69)
HSL	hsl(115, 57%, 54%)
HSV	hsv(115, 66%, 80%)
CMYK	cmyk(60.3%, 0%, 66.2%, 20%)
CIE-LAB	lab(73.13, -59.36, 55.16)
CIE-LCH	lch(73.13, 81.03, 137.10°)
OKLab	oklab(74.86% -0.1619 0.1271)
OKLCH	oklch(74.86% 0.206 141.9)
XYZ	xyz(26.0590, 45.3623, 13.0116)
Luminance	0.4536 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CC45 #C045CC

analogous

#94CC45 #51CC45 #45CC7C

triadic

#51CC45 #4551CC #CC4551

tetradic

#51CC45 #4594CC #C045CC #CC7C45

square

#51CC45 #4594CC #C045CC #CC7C45

split-complementary

#51CC45 #7C45CC #CC4594

monochromatic

#287620 #38A62E #51CC45 #7ED975 #ABE6A5

Accessibility & contrast

On white

2.08

#51CC45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#51CC45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC45

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CC45	#FFFFFF	#000000	##000000
##51CC45	1.00	2.08	10.07	10.07
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA33

Deuteranopia (green-blind)

#C1B051

Tritanopia (blue-blind)

#3DC6B0

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cc45;
/* rgb */ color: rgb(81, 204, 69);
/* oklch */ color: oklch(74.9% 0.206 141.9);

Tailwind

colors: {
  custom: {
    50: '#8fdd7f',
    500: '#51cc45',
    950: '#000000',
  },
}

SCSS

$custom: #51cc45;
$custom-light: #8fdd7f;
$custom-dark: #000000;

JSON

{
  "hex": "#51cc45",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 69
  },
  "hsl": {
    "h": 114.667,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.74864,
    "c": 0.20581,
    "h": 141.9
  },
  "luminance": 0.45365
}

Semantic roles & 50–950 ramp

primary

#51CC45

secondary

#CE99D3

accent

#48E0D3

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CC45

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

Preview Lab → · Contrast checker → · Palette generator →