#66BB35#66BB35

#66BB35 is a light, vivid yellow-green. Relative luminance 0.386; OKLCH L 71.2% C 0.186 H 136.5°. Best body text is #000000 at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#66BB35
RGB	rgb(102, 187, 53)
HSL	hsl(98, 56%, 47%)
HSV	hsv(98, 72%, 73%)
CMYK	cmyk(45.5%, 0%, 71.7%, 26.7%)
CIE-LAB	lab(68.48, -48.57, 56.75)
CIE-LCH	lch(68.48, 74.69, 130.56°)
OKLab	oklab(71.2% -0.1349 0.1283)
OKLCH	oklch(71.2% 0.186 136.5)
XYZ	xyz(23.8918, 38.6210, 9.5631)
Luminance	0.3862 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BB35 #8A35BB

analogous

#A9BB35 #66BB35 #35BB47

triadic

#66BB35 #3566BB #BB3566

tetradic

#66BB35 #35A9BB #8A35BB #BB4735

square

#66BB35 #35A9BB #8A35BB #BB4735

split-complementary

#66BB35 #4735BB #BB35A9

monochromatic

#325C1A #4C8B27 #66BB35 #87D15C #AADE8C

Accessibility & contrast

On white

2.41

#66BB35 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.72

#66BB35 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BB35

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BB35	#FFFFFF	#000000	##000000
##66BB35	1.00	2.41	8.72	8.72
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.72	21.00	1.00	1.00
##000000	8.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AB1E

Deuteranopia (green-blind)

#B6A442

Tritanopia (blue-blind)

#62B4A1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66bb35;
/* rgb */ color: rgb(102, 187, 53);
/* oklch */ color: oklch(71.2% 0.186 136.5);

Tailwind

colors: {
  custom: {
    50: '#99d074',
    500: '#66bb35',
    950: '#000000',
  },
}

SCSS

$custom: #66bb35;
$custom-light: #99d074;
$custom-dark: #000000;

JSON

{
  "hex": "#66bb35",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 53
  },
  "hsl": {
    "h": 98.06,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.71201,
    "c": 0.18616,
    "h": 136.5
  },
  "luminance": 0.38622
}

Semantic roles & 50–950 ramp

primary

#66BB35

secondary

#AF83C9

accent

#49DFA8

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1409

muted

#7E827B

Preview Lab

Preview with #66BB35

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

Preview Lab → · Contrast checker → · Palette generator →