#66AF27#66AF27

#66AF27 is a light, vivid yellow-green. Relative luminance 0.336; OKLCH L 68.1% C 0.179 H 134.2°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#66AF27
RGB	rgb(102, 175, 39)
HSL	hsl(92, 64%, 42%)
HSV	hsv(92, 78%, 69%)
CMYK	cmyk(41.7%, 0%, 77.7%, 31.4%)
CIE-LAB	lab(64.67, -44.60, 57.85)
CIE-LCH	lch(64.67, 73.05, 127.63°)
OKLab	oklab(68.05% -0.1251 0.1285)
OKLCH	oklch(68.05% 0.179 134.2)
XYZ	xyz(21.1753, 33.6301, 7.2946)
Luminance	0.3363 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF27 #7027AF

analogous

#AAAF27 #66AF27 #27AF2C

triadic

#66AF27 #2766AF #AF2766

tetradic

#66AF27 #27AAAF #7027AF #AF2C27

square

#66AF27 #27AAAF #7027AF #AF2C27

split-complementary

#66AF27 #2C27AF #AF27AA

monochromatic

#2C4B11 #497D1C #66AF27 #84D43F #A4DF71

Accessibility & contrast

On white

2.72

#66AF27 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#66AF27 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF27

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF27	#FFFFFF	#000000	##000000
##66AF27	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)

#B6A101

Deuteranopia (green-blind)

#AC9B36

Tritanopia (blue-blind)

#65A896

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66af27;
/* rgb */ color: rgb(102, 175, 39);
/* oklch */ color: oklch(68.1% 0.179 134.2);

Tailwind

colors: {
  custom: {
    50: '#98c76c',
    500: '#66af27',
    950: '#000000',
  },
}

SCSS

$custom: #66af27;
$custom-light: #98c76c;
$custom-dark: #000000;

JSON

{
  "hex": "#66af27",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 39
  },
  "hsl": {
    "h": 92.206,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.68051,
    "c": 0.1794,
    "h": 134.2
  },
  "luminance": 0.33631
}

Semantic roles & 50–950 ramp

primary

#66AF27

secondary

#9C6BC6

accent

#41E79A

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #66AF27

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

Preview Lab → · Contrast checker → · Palette generator →