#66BD35#66BD35

#66BD35 is a light, vivid yellow-green. Relative luminance 0.395; OKLCH L 71.7% C 0.189 H 136.6°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#66BD35
RGB	rgb(102, 189, 53)
HSL	hsl(98, 56%, 47%)
HSV	hsv(98, 72%, 74%)
CMYK	cmyk(46%, 0%, 72%, 25.9%)
CIE-LAB	lab(69.09, -49.36, 57.37)
CIE-LCH	lch(69.09, 75.69, 130.71°)
OKLab	oklab(71.71% -0.1371 0.1296)
OKLCH	oklch(71.71% 0.189 136.6)
XYZ	xyz(24.3190, 39.4755, 9.7056)
Luminance	0.3948 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BD35 #8C35BD

analogous

#AABD35 #66BD35 #35BD48

triadic

#66BD35 #3566BD #BD3566

tetradic

#66BD35 #35AABD #8C35BD #BD4835

square

#66BD35 #35AABD #8C35BD #BD4835

split-complementary

#66BD35 #4835BD #BD35AA

monochromatic

#325D1A #4C8D28 #66BD35 #87D25D #ABDF8D

Accessibility & contrast

On white

2.36

#66BD35 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#66BD35 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BD35

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BD35	#FFFFFF	#000000	##000000
##66BD35	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD1D

Deuteranopia (green-blind)

#B8A642

Tritanopia (blue-blind)

#62B6A2

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66bd35;
/* rgb */ color: rgb(102, 189, 53);
/* oklch */ color: oklch(71.7% 0.189 136.6);

Tailwind

colors: {
  custom: {
    50: '#99d175',
    500: '#66bd35',
    950: '#000000',
  },
}

SCSS

$custom: #66bd35;
$custom-light: #99d175;
$custom-dark: #000000;

JSON

{
  "hex": "#66bd35",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 53
  },
  "hsl": {
    "h": 98.382,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.71708,
    "c": 0.18862,
    "h": 136.6
  },
  "luminance": 0.39477
}

Semantic roles & 50–950 ramp

primary

#66BD35

secondary

#B184CA

accent

#48DFA9

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0F1409

muted

#7E827B

Preview Lab

Preview with #66BD35

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

Preview Lab → · Contrast checker → · Palette generator →