#66CB45#66CB45

#66CB45 is a light, vivid green. Relative luminance 0.460; OKLCH L 75.4% C 0.195 H 139.0°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#66CB45
RGB	rgb(102, 203, 69)
HSL	hsl(105, 56%, 53%)
HSV	hsv(105, 66%, 80%)
CMYK	cmyk(49.8%, 0%, 66%, 20.4%)
CIE-LAB	lab(73.52, -53.54, 55.79)
CIE-LCH	lch(73.52, 77.33, 133.82°)
OKLab	oklab(75.38% -0.1473 0.1283)
OKLCH	oklch(75.38% 0.195 139)
XYZ	xyz(27.9086, 45.9643, 13.0304)
Luminance	0.4597 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CB45 #AA45CB

analogous

#A9CB45 #66CB45 #45CB67

triadic

#66CB45 #4566CB #CB4566

tetradic

#66CB45 #45A9CB #AA45CB #CB6745

square

#66CB45 #45A9CB #AA45CB #CB6745

split-complementary

#66CB45 #6745CB #CB45A9

monochromatic

#357521 #4BA52E #66CB45 #8DD875 #B5E6A5

Accessibility & contrast

On white

2.06

#66CB45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#66CB45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CB45

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CB45	#FFFFFF	#000000	##000000
##66CB45	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA33

Deuteranopia (green-blind)

#C4B151

Tritanopia (blue-blind)

#5DC4B0

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #66cb45;
/* rgb */ color: rgb(102, 203, 69);
/* oklch */ color: oklch(75.4% 0.195 139.0);

Tailwind

colors: {
  custom: {
    50: '#9adc7f',
    500: '#66cb45',
    950: '#000000',
  },
}

SCSS

$custom: #66cb45;
$custom-light: #9adc7f;
$custom-dark: #000000;

JSON

{
  "hex": "#66cb45",
  "rgb": {
    "r": 102,
    "g": 203,
    "b": 69
  },
  "hsl": {
    "h": 105.224,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.75384,
    "c": 0.19536,
    "h": 139
  },
  "luminance": 0.45966
}

Semantic roles & 50–950 ramp

primary

#66CB45

secondary

#C599D3

accent

#48E0BA

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CB45

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

Preview Lab → · Contrast checker → · Palette generator →