#66BE35#66BE35

#66BE35 is a light, vivid yellow-green. Relative luminance 0.399; OKLCH L 72.0% C 0.190 H 136.7°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#66BE35
RGB	rgb(102, 190, 53)
HSL	hsl(99, 56%, 48%)
HSV	hsv(99, 72%, 75%)
CMYK	cmyk(46.3%, 0%, 72.1%, 25.5%)
CIE-LAB	lab(69.40, -49.76, 57.69)
CIE-LCH	lch(69.40, 76.18, 130.78°)
OKLab	oklab(71.96% -0.1381 0.1302)
OKLCH	oklch(71.96% 0.19 136.7)
XYZ	xyz(24.5348, 39.9072, 9.7775)
Luminance	0.3991 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BE35 #8D35BE

analogous

#ABBE35 #66BE35 #35BE48

triadic

#66BE35 #3566BE #BE3566

tetradic

#66BE35 #35ABBE #8D35BE #BE4835

square

#66BE35 #35ABBE #8D35BE #BE4835

split-complementary

#66BE35 #4835BE #BE35AB

monochromatic

#335E1A #4C8E28 #66BE35 #88D25E #ABDF8E

Accessibility & contrast

On white

2.34

#66BE35 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#66BE35 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE35

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BE35	#FFFFFF	#000000	##000000
##66BE35	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)

#C4AE1D

Deuteranopia (green-blind)

#B9A742

Tritanopia (blue-blind)

#62B7A3

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66be35;
/* rgb */ color: rgb(102, 190, 53);
/* oklch */ color: oklch(72.0% 0.190 136.7);

Tailwind

colors: {
  custom: {
    50: '#99d275',
    500: '#66be35',
    950: '#000000',
  },
}

SCSS

$custom: #66be35;
$custom-light: #99d275;
$custom-dark: #000000;

JSON

{
  "hex": "#66be35",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 53
  },
  "hsl": {
    "h": 98.54,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.71962,
    "c": 0.18985,
    "h": 136.7
  },
  "luminance": 0.39909
}

Semantic roles & 50–950 ramp

primary

#66BE35

secondary

#B185CA

accent

#48E0A9

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66BE35

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

Preview Lab → · Contrast checker → · Palette generator →