#66AF36#66AF36

#66AF36 is a light, vivid yellow-green. Relative luminance 0.338; OKLCH L 68.2% C 0.170 H 135.4°. Best body text is #000000 at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#66AF36
RGB	rgb(102, 175, 54)
HSL	hsl(96, 53%, 45%)
HSV	hsv(96, 69%, 69%)
CMYK	cmyk(41.7%, 0%, 69.1%, 31.4%)
CIE-LAB	lab(64.76, -43.59, 52.54)
CIE-LCH	lch(64.76, 68.27, 129.68°)
OKLab	oklab(68.16% -0.1214 0.1196)
OKLCH	oklch(68.16% 0.17 135.4)
XYZ	xyz(21.4748, 33.7499, 8.8722)
Luminance	0.3375 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF36 #7F36AF

analogous

#A3AF36 #66AF36 #36AF42

triadic

#66AF36 #3666AF #AF3666

tetradic

#66AF36 #36A3AF #7F36AF #AF4236

square

#66AF36 #36A3AF #7F36AF #AF4236

split-complementary

#66AF36 #4236AF #AF36A3

monochromatic

#2F5119 #4B8028 #66AF36 #85CB57 #A7DA86

Accessibility & contrast

On white

2.71

#66AF36 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.75

#66AF36 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF36

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF36	#FFFFFF	#000000	##000000
##66AF36	1.00	2.71	7.75	7.75
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.75	21.00	1.00	1.00
##000000	7.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A124

Deuteranopia (green-blind)

#AB9B41

Tritanopia (blue-blind)

#64A897

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66af36;
/* rgb */ color: rgb(102, 175, 54);
/* oklch */ color: oklch(68.2% 0.170 135.4);

Tailwind

colors: {
  custom: {
    50: '#97c774',
    500: '#66af36',
    950: '#000000',
  },
}

SCSS

$custom: #66af36;
$custom-light: #97c774;
$custom-dark: #000000;

JSON

{
  "hex": "#66af36",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 54
  },
  "hsl": {
    "h": 96.198,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.6816,
    "c": 0.17037,
    "h": 135.4
  },
  "luminance": 0.33751
}

Semantic roles & 50–950 ramp

primary

#66AF36

secondary

#A87DC3

accent

#4CDCA3

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #66AF36

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

Preview Lab → · Contrast checker → · Palette generator →