#66CF41#66CF41

#66CF41 is a light, highly saturated green. Relative luminance 0.478; OKLCH L 76.4% C 0.203 H 138.8°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#66CF41
RGB	rgb(102, 207, 65)
HSL	hsl(104, 60%, 53%)
HSV	hsv(104, 69%, 81%)
CMYK	cmyk(50.7%, 0%, 68.6%, 18.8%)
CIE-LAB	lab(74.72, -55.40, 58.65)
CIE-LCH	lch(74.72, 80.68, 133.37°)
OKLab	oklab(76.36% -0.1526 0.1338)
OKLCH	oklch(76.36% 0.203 138.8)
XYZ	xyz(28.7454, 47.8299, 12.7174)
Luminance	0.4783 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF41 #AA41CF

analogous

#ADCF41 #66CF41 #41CF63

triadic

#66CF41 #4166CF #CF4166

tetradic

#66CF41 #41ADCF #AA41CF #CF6341

square

#66CF41 #41ADCF #AA41CF #CF6341

split-complementary

#66CF41 #6341CF #CF41AD

monochromatic

#35771E #4BA82B #66CF41 #8DDB72 #B5E8A3

Accessibility & contrast

On white

1.99

#66CF41 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.57

#66CF41 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF41

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF41	#FFFFFF	#000000	##000000
##66CF41	1.00	1.99	10.57	10.57
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.57	21.00	1.00	1.00
##000000	10.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD2C

Deuteranopia (green-blind)

#C7B54E

Tritanopia (blue-blind)

#5DC8B3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66cf41;
/* rgb */ color: rgb(102, 207, 65);
/* oklch */ color: oklch(76.4% 0.203 138.8);

Tailwind

colors: {
  custom: {
    50: '#9bde7d',
    500: '#66cf41',
    950: '#000000',
  },
}

SCSS

$custom: #66cf41;
$custom-light: #9bde7d;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf41",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 65
  },
  "hsl": {
    "h": 104.366,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.76357,
    "c": 0.20298,
    "h": 138.8
  },
  "luminance": 0.47832
}

Semantic roles & 50–950 ramp

primary

#66CF41

secondary

#C597D4

accent

#45E3BA

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CF41

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

Preview Lab → · Contrast checker → · Palette generator →