#66CE50#66CE50

#66CE50 is a light, vivid green. Relative luminance 0.475; OKLCH L 76.2% C 0.191 H 140.3°. Best body text is #000000 at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#66CE50
RGB	rgb(102, 206, 80)
HSL	hsl(110, 56%, 56%)
HSV	hsv(110, 61%, 81%)
CMYK	cmyk(50.5%, 0%, 61.2%, 19.2%)
CIE-LAB	lab(74.54, -53.65, 52.26)
CIE-LCH	lch(74.54, 74.90, 135.75°)
OKLab	oklab(76.25% -0.1469 0.122)
OKLCH	oklch(76.25% 0.191 140.3)
XYZ	xyz(28.9975, 47.5444, 15.2368)
Luminance	0.4755 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CE50 #B850CE

analogous

#A5CE50 #66CE50 #50CE79

triadic

#66CE50 #5066CE #CE5066

tetradic

#66CE50 #50A5CE #B850CE #CE7950

square

#66CE50 #50A5CE #B850CE #CE7950

split-complementary

#66CE50 #7950CE #CE50A5

monochromatic

#348024 #47B031 #66CE50 #90DB80 #BAE9B0

Accessibility & contrast

On white

2.00

#66CE50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.51

#66CE50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CE50

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CE50	#FFFFFF	#000000	##000000
##66CE50	1.00	2.00	10.51	10.51
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.51	21.00	1.00	1.00
##000000	10.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BD42

Deuteranopia (green-blind)

#C6B45A

Tritanopia (blue-blind)

#5BC8B3

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #66ce50;
/* rgb */ color: rgb(102, 206, 80);
/* oklch */ color: oklch(76.2% 0.191 140.3);

Tailwind

colors: {
  custom: {
    50: '#9ade86',
    500: '#66ce50',
    950: '#000000',
  },
}

SCSS

$custom: #66ce50;
$custom-light: #9ade86;
$custom-dark: #000000;

JSON

{
  "hex": "#66ce50",
  "rgb": {
    "r": 102,
    "g": 206,
    "b": 80
  },
  "hsl": {
    "h": 109.524,
    "s": 56.25,
    "l": 56.078
  },
  "oklch": {
    "l": 0.76248,
    "c": 0.19097,
    "h": 140.3
  },
  "luminance": 0.47547
}

Semantic roles & 50–950 ramp

primary

#66CE50

secondary

#CEA3D7

accent

#48E0C5

background

#FAFDF8

surface

#F3FBF0

border

#CDD4CB

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66CE50

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

Preview Lab → · Contrast checker → · Palette generator →