#66CA36#66CA36

#66CA36 is a light, highly saturated green. Relative luminance 0.453; OKLCH L 75.0% C 0.204 H 137.6°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#66CA36
RGB	rgb(102, 202, 54)
HSL	hsl(101, 58%, 50%)
HSV	hsv(101, 73%, 79%)
CMYK	cmyk(49.5%, 0%, 73.3%, 20.8%)
CIE-LAB	lab(73.11, -54.33, 61.05)
CIE-LCH	lch(73.11, 81.73, 131.67°)
OKLab	oklab(75.01% -0.1504 0.1374)
OKLCH	oklch(75.01% 0.204 137.6)
XYZ	xyz(27.2650, 45.3302, 10.8022)
Luminance	0.4533 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CA36 #9A36CA

analogous

#B0CA36 #66CA36 #36CA50

triadic

#66CA36 #3666CA #CA3666

tetradic

#66CA36 #36B0CA #9A36CA #CA5036

square

#66CA36 #36B0CA #9A36CA #CA5036

split-complementary

#66CA36 #5036CA #CA36B0

monochromatic

#356A1C #4D9A29 #66CA36 #8BD766 #B0E497

Accessibility & contrast

On white

2.09

#66CA36 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#66CA36 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CA36

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CA36	#FFFFFF	#000000	##000000
##66CA36	1.00	2.09	10.07	10.07
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B919

Deuteranopia (green-blind)

#C3B045

Tritanopia (blue-blind)

#5FC3AD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #66ca36;
/* rgb */ color: rgb(102, 202, 54);
/* oklch */ color: oklch(75.0% 0.204 137.6);

Tailwind

colors: {
  custom: {
    50: '#9adb77',
    500: '#66ca36',
    950: '#000000',
  },
}

SCSS

$custom: #66ca36;
$custom-light: #9adb77;
$custom-dark: #000000;

JSON

{
  "hex": "#66ca36",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 54
  },
  "hsl": {
    "h": 100.541,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.7501,
    "c": 0.20374,
    "h": 137.6
  },
  "luminance": 0.45332
}

Semantic roles & 50–950 ramp

primary

#66CA36

secondary

#BA8DCF

accent

#46E1AF

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #66CA36

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

Preview Lab → · Contrast checker → · Palette generator →