#66AC2C#66AC2C

#66AC2C is a light, vivid yellow-green. Relative luminance 0.325; OKLCH L 67.3% C 0.173 H 134.2°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#66AC2C
RGB	rgb(102, 172, 44)
HSL	hsl(93, 59%, 42%)
HSV	hsv(93, 74%, 67%)
CMYK	cmyk(40.7%, 0%, 74.4%, 32.5%)
CIE-LAB	lab(63.76, -43.05, 55.29)
CIE-LCH	lch(63.76, 70.07, 127.90°)
OKLab	oklab(67.32% -0.1206 0.1239)
OKLCH	oklch(67.32% 0.173 134.2)
XYZ	xyz(20.6862, 32.5106, 7.5676)
Luminance	0.3251 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AC2C #722CAC

analogous

#A6AC2C #66AC2C #2CAC32

triadic

#66AC2C #2C66AC #AC2C66

tetradic

#66AC2C #2CA6AC #722CAC #AC322C

square

#66AC2C #2CA6AC #722CAC #AC322C

split-complementary

#66AC2C #322CAC #AC2CA6

monochromatic

#2C4B13 #497B20 #66AC2C #84D046 #A4DC76

Accessibility & contrast

On white

2.80

#66AC2C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#66AC2C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AC2C

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AC2C	#FFFFFF	#000000	##000000
##66AC2C	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E12

Deuteranopia (green-blind)

#A99839

Tritanopia (blue-blind)

#65A593

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #66ac2c;
/* rgb */ color: rgb(102, 172, 44);
/* oklch */ color: oklch(67.3% 0.173 134.2);

Tailwind

colors: {
  custom: {
    50: '#97c56e',
    500: '#66ac2c',
    950: '#000000',
  },
}

SCSS

$custom: #66ac2c;
$custom-light: #97c56e;
$custom-dark: #000000;

JSON

{
  "hex": "#66ac2c",
  "rgb": {
    "r": 102,
    "g": 172,
    "b": 44
  },
  "hsl": {
    "h": 92.813,
    "s": 59.259,
    "l": 42.353
  },
  "oklch": {
    "l": 0.67319,
    "c": 0.17295,
    "h": 134.2
  },
  "luminance": 0.32512
}

Semantic roles & 50–950 ramp

primary

#66AC2C

secondary

#9E70C4

accent

#45E29B

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AC2C

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

Preview Lab → · Contrast checker → · Palette generator →