#66BC41#66BC41

#66BC41 is a light, vivid green. Relative luminance 0.392; OKLCH L 71.6% C 0.179 H 137.7°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#66BC41
RGB	rgb(102, 188, 65)
HSL	hsl(102, 49%, 50%)
HSV	hsv(102, 65%, 74%)
CMYK	cmyk(45.7%, 0%, 65.4%, 26.3%)
CIE-LAB	lab(68.88, -48.00, 52.42)
CIE-LCH	lch(68.88, 71.07, 132.48°)
OKLab	oklab(71.56% -0.1325 0.1207)
OKLCH	oklch(71.56% 0.179 137.7)
XYZ	xyz(24.4161, 39.1713, 11.2743)
Luminance	0.3917 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BC41 #9741BC

analogous

#A4BC41 #66BC41 #41BC59

triadic

#66BC41 #4166BC #BC4166

tetradic

#66BC41 #41A4BC #9741BC #BC5941

square

#66BC41 #41A4BC #9741BC #BC5941

split-complementary

#66BC41 #5941BC #BC41A4

monochromatic

#356122 #4D8F31 #66BC41 #8ACD6E #AFDC9B

Accessibility & contrast

On white

2.38

#66BC41 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#66BC41 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BC41

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BC41	#FFFFFF	#000000	##000000
##66BC41	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AD31

Deuteranopia (green-blind)

#B6A54B

Tritanopia (blue-blind)

#61B6A3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66bc41;
/* rgb */ color: rgb(102, 188, 65);
/* oklch */ color: oklch(71.6% 0.179 137.7);

Tailwind

colors: {
  custom: {
    50: '#98d17b',
    500: '#66bc41',
    950: '#000000',
  },
}

SCSS

$custom: #66bc41;
$custom-light: #98d17b;
$custom-dark: #000000;

JSON

{
  "hex": "#66bc41",
  "rgb": {
    "r": 102,
    "g": 188,
    "b": 65
  },
  "hsl": {
    "h": 101.951,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.71557,
    "c": 0.17927,
    "h": 137.7
  },
  "luminance": 0.39173
}

Semantic roles & 50–950 ramp

primary

#66BC41

secondary

#B890C9

accent

#50D8AF

background

#F9FCF7

surface

#F2F9EE

border

#CCD2C9

text

#0E140A

muted

#7E827C

Preview Lab

Preview with #66BC41

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

Preview Lab → · Contrast checker → · Palette generator →