#66AF2C#66AF2C

#66AF2C is a light, vivid yellow-green. Relative luminance 0.337; OKLCH L 68.1% C 0.177 H 134.6°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#66AF2C
RGB	rgb(102, 175, 44)
HSL	hsl(93, 60%, 43%)
HSV	hsv(93, 75%, 69%)
CMYK	cmyk(41.7%, 0%, 74.9%, 31.4%)
CIE-LAB	lab(64.70, -44.30, 56.21)
CIE-LCH	lch(64.70, 71.57, 128.24°)
OKLab	oklab(68.08% -0.124 0.1259)
OKLCH	oklch(68.08% 0.177 134.6)
XYZ	xyz(21.2637, 33.6654, 7.7601)
Luminance	0.3367 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF2C #752CAF

analogous

#A7AF2C #66AF2C #2CAF33

triadic

#66AF2C #2C66AF #AF2C66

tetradic

#66AF2C #2CA7AF #752CAF #AF332C

square

#66AF2C #2CA7AF #752CAF #AF332C

split-complementary

#66AF2C #332CAF #AF2CA7

monochromatic

#2D4D13 #497E20 #66AF2C #84D147 #A5DD78

Accessibility & contrast

On white

2.72

#66AF2C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#66AF2C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF2C

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF2C	#FFFFFF	#000000	##000000
##66AF2C	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A110

Deuteranopia (green-blind)

#AC9B39

Tritanopia (blue-blind)

#65A896

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66af2c;
/* rgb */ color: rgb(102, 175, 44);
/* oklch */ color: oklch(68.1% 0.177 134.6);

Tailwind

colors: {
  custom: {
    50: '#98c76e',
    500: '#66af2c',
    950: '#000000',
  },
}

SCSS

$custom: #66af2c;
$custom-light: #98c76e;
$custom-dark: #000000;

JSON

{
  "hex": "#66af2c",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 44
  },
  "hsl": {
    "h": 93.435,
    "s": 59.817,
    "l": 42.941
  },
  "oklch": {
    "l": 0.68083,
    "c": 0.17668,
    "h": 134.6
  },
  "luminance": 0.33667
}

Semantic roles & 50–950 ramp

primary

#66AF2C

secondary

#A072C5

accent

#45E39D

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AF2C

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

Preview Lab → · Contrast checker → · Palette generator →