#66CB50#66CB50

#66CB50 is a light, vivid green. Relative luminance 0.461; OKLCH L 75.5% C 0.187 H 140.2°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#66CB50
RGB	rgb(102, 203, 80)
HSL	hsl(109, 54%, 55%)
HSV	hsv(109, 61%, 80%)
CMYK	cmyk(49.8%, 0%, 60.6%, 20.4%)
CIE-LAB	lab(73.62, -52.48, 51.23)
CIE-LCH	lch(73.62, 73.34, 135.69°)
OKLab	oklab(75.5% -0.1438 0.1198)
OKLCH	oklch(75.5% 0.187 140.2)
XYZ	xyz(28.2822, 46.1138, 14.9984)
Luminance	0.4612 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CB50 #B550CB

analogous

#A4CB50 #66CB50 #50CB77

triadic

#66CB50 #5066CB #CB5066

tetradic

#66CB50 #50A4CB #B550CB #CB7750

square

#66CB50 #50A4CB #B550CB #CB7750

split-complementary

#66CB50 #7750CB #CB50A4

monochromatic

#347C25 #48AB33 #66CB50 #8FD97F #B8E7AE

Accessibility & contrast

On white

2.05

#66CB50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#66CB50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CB50

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CB50	#FFFFFF	#000000	##000000
##66CB50	1.00	2.05	10.22	10.22
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BA42

Deuteranopia (green-blind)

#C3B25A

Tritanopia (blue-blind)

#5CC5B1

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #66cb50;
/* rgb */ color: rgb(102, 203, 80);
/* oklch */ color: oklch(75.5% 0.187 140.2);

Tailwind

colors: {
  custom: {
    50: '#99db85',
    500: '#66cb50',
    950: '#000000',
  },
}

SCSS

$custom: #66cb50;
$custom-light: #99db85;
$custom-dark: #000000;

JSON

{
  "hex": "#66cb50",
  "rgb": {
    "r": 102,
    "g": 203,
    "b": 80
  },
  "hsl": {
    "h": 109.268,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.75495,
    "c": 0.18712,
    "h": 140.2
  },
  "luminance": 0.46116
}

Semantic roles & 50–950 ramp

primary

#66CB50

secondary

#CCA2D5

accent

#4ADEC3

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0F150B

muted

#7E837C

Preview Lab

Preview with #66CB50

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

Preview Lab → · Contrast checker → · Palette generator →