#66CC41#66CC41

#66CC41 is a light, vivid green. Relative luminance 0.464; OKLCH L 75.6% C 0.199 H 138.6°. Best body text is #000000 at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#66CC41
RGB	rgb(102, 204, 65)
HSL	hsl(104, 58%, 53%)
HSV	hsv(104, 68%, 80%)
CMYK	cmyk(50%, 0%, 68.1%, 20%)
CIE-LAB	lab(73.80, -54.27, 57.68)
CIE-LCH	lch(73.80, 79.19, 133.25°)
OKLab	oklab(75.6% -0.1496 0.1318)
OKLCH	oklch(75.6% 0.199 138.6)
XYZ	xyz(28.0255, 46.3901, 12.4774)
Luminance	0.4639 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CC41 #A741CC

analogous

#ABCC41 #66CC41 #41CC62

triadic

#66CC41 #4166CC #CC4166

tetradic

#66CC41 #41ABCC #A741CC #CC6241

square

#66CC41 #41ABCC #A741CC #CC6241

split-complementary

#66CC41 #6241CC #CC41AB

monochromatic

#36741F #4CA42C #66CC41 #8DD971 #B4E6A1

Accessibility & contrast

On white

2.04

#66CC41 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.28

#66CC41 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CC41

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CC41	#FFFFFF	#000000	##000000
##66CC41	1.00	2.04	10.28	10.28
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.28	21.00	1.00	1.00
##000000	10.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB2D

Deuteranopia (green-blind)

#C5B24E

Tritanopia (blue-blind)

#5EC5B0

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #66cc41;
/* rgb */ color: rgb(102, 204, 65);
/* oklch */ color: oklch(75.6% 0.199 138.6);

Tailwind

colors: {
  custom: {
    50: '#9adc7d',
    500: '#66cc41',
    950: '#000000',
  },
}

SCSS

$custom: #66cc41;
$custom-light: #9adc7d;
$custom-dark: #000000;

JSON

{
  "hex": "#66cc41",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 65
  },
  "hsl": {
    "h": 104.029,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.75601,
    "c": 0.19933,
    "h": 138.6
  },
  "luminance": 0.46392
}

Semantic roles & 50–950 ramp

primary

#66CC41

secondary

#C296D3

accent

#47E1B8

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CC41

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

Preview Lab → · Contrast checker → · Palette generator →