#66CA41#66CA41

#66CA41 is a light, vivid green. Relative luminance 0.454; OKLCH L 75.1% C 0.197 H 138.5°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#66CA41
RGB	rgb(102, 202, 65)
HSL	hsl(104, 56%, 52%)
HSV	hsv(104, 68%, 79%)
CMYK	cmyk(49.5%, 0%, 67.8%, 20.8%)
CIE-LAB	lab(73.18, -53.50, 57.03)
CIE-LCH	lch(73.18, 78.20, 133.17°)
OKLab	oklab(75.1% -0.1475 0.1304)
OKLCH	oklch(75.1% 0.197 138.5)
XYZ	xyz(27.5532, 45.4455, 12.3200)
Luminance	0.4545 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CA41 #A541CA

analogous

#AACA41 #66CA41 #41CA61

triadic

#66CA41 #4166CA #CA4166

tetradic

#66CA41 #41AACA #A541CA #CA6141

square

#66CA41 #41AACA #A541CA #CA6141

split-complementary

#66CA41 #6141CA #CA41AA

monochromatic

#367120 #4CA12D #66CA41 #8DD771 #B3E5A1

Accessibility & contrast

On white

2.08

#66CA41 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#66CA41 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CA41

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CA41	#FFFFFF	#000000	##000000
##66CA41	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B92D

Deuteranopia (green-blind)

#C3B14D

Tritanopia (blue-blind)

#5EC3AE

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #66ca41;
/* rgb */ color: rgb(102, 202, 65);
/* oklch */ color: oklch(75.1% 0.197 138.5);

Tailwind

colors: {
  custom: {
    50: '#9adb7c',
    500: '#66ca41',
    950: '#000000',
  },
}

SCSS

$custom: #66ca41;
$custom-light: #9adb7c;
$custom-dark: #000000;

JSON

{
  "hex": "#66ca41",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 65
  },
  "hsl": {
    "h": 103.796,
    "s": 56.379,
    "l": 52.353
  },
  "oklch": {
    "l": 0.75096,
    "c": 0.19688,
    "h": 138.5
  },
  "luminance": 0.45447
}

Semantic roles & 50–950 ramp

primary

#66CA41

secondary

#C196D1

accent

#48E0B7

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66CA41

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

Preview Lab → · Contrast checker → · Palette generator →