#66BE34#66BE34

#66BE34 is a light, vivid yellow-green. Relative luminance 0.399; OKLCH L 72.0% C 0.190 H 136.6°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#66BE34
RGB	rgb(102, 190, 52)
HSL	hsl(98, 57%, 47%)
HSV	hsv(98, 73%, 75%)
CMYK	cmyk(46.3%, 0%, 72.6%, 25.5%)
CIE-LAB	lab(69.40, -49.83, 58.04)
CIE-LCH	lch(69.40, 76.50, 130.65°)
OKLab	oklab(71.96% -0.1384 0.1308)
OKLCH	oklch(71.96% 0.19 136.6)
XYZ	xyz(24.5121, 39.8980, 9.6576)
Luminance	0.3990 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BE34 #8C34BE

analogous

#ABBE34 #66BE34 #34BE47

triadic

#66BE34 #3466BE #BE3466

tetradic

#66BE34 #34ABBE #8C34BE #BE4734

square

#66BE34 #34ABBE #8C34BE #BE4734

split-complementary

#66BE34 #4734BE #BE34AB

monochromatic

#325E1A #4C8E27 #66BE34 #87D35D #ABE08D

Accessibility & contrast

On white

2.34

#66BE34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#66BE34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE34

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BE34	#FFFFFF	#000000	##000000
##66BE34	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE1B

Deuteranopia (green-blind)

#B9A742

Tritanopia (blue-blind)

#62B7A3

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66be34;
/* rgb */ color: rgb(102, 190, 52);
/* oklch */ color: oklch(72.0% 0.190 136.6);

Tailwind

colors: {
  custom: {
    50: '#99d274',
    500: '#66be34',
    950: '#000000',
  },
}

SCSS

$custom: #66be34;
$custom-light: #99d274;
$custom-dark: #000000;

JSON

{
  "hex": "#66be34",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 52
  },
  "hsl": {
    "h": 98.261,
    "s": 57.025,
    "l": 47.451
  },
  "oklch": {
    "l": 0.71955,
    "c": 0.19045,
    "h": 136.6
  },
  "luminance": 0.399
}

Semantic roles & 50–950 ramp

primary

#66BE34

secondary

#B184CA

accent

#48E0A9

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66BE34

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

Preview Lab → · Contrast checker → · Palette generator →