#66AC24#66AC24

#66AC24 is a light, vivid yellow-green. Relative luminance 0.325; OKLCH L 67.3% C 0.177 H 133.7°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#66AC24
RGB	rgb(102, 172, 36)
HSL	hsl(91, 65%, 41%)
HSV	hsv(91, 79%, 67%)
CMYK	cmyk(40.7%, 0%, 79.1%, 32.5%)
CIE-LAB	lab(63.72, -43.52, 57.90)
CIE-LCH	lch(63.72, 72.43, 126.93°)
OKLab	oklab(67.27% -0.1224 0.1282)
OKLCH	oklch(67.27% 0.177 133.7)
XYZ	xyz(20.5501, 32.4562, 6.8506)
Luminance	0.3246 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AC24 #6A24AC

analogous

#AAAC24 #66AC24 #24AC26

triadic

#66AC24 #2466AC #AC2466

tetradic

#66AC24 #24AAAC #6A24AC #AC2624

square

#66AC24 #24AAAC #6A24AC #AC2624

split-complementary

#66AC24 #2624AC #AC24AA

monochromatic

#2A470F #487919 #66AC24 #84D538 #A3E06A

Accessibility & contrast

On white

2.80

#66AC24 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#66AC24 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AC24

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AC24	#FFFFFF	#000000	##000000
##66AC24	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E00

Deuteranopia (green-blind)

#AA9833

Tritanopia (blue-blind)

#66A593

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #66ac24;
/* rgb */ color: rgb(102, 172, 36);
/* oklch */ color: oklch(67.3% 0.177 133.7);

Tailwind

colors: {
  custom: {
    50: '#98c56a',
    500: '#66ac24',
    950: '#000000',
  },
}

SCSS

$custom: #66ac24;
$custom-light: #98c56a;
$custom-dark: #000000;

JSON

{
  "hex": "#66ac24",
  "rgb": {
    "r": 102,
    "g": 172,
    "b": 36
  },
  "hsl": {
    "h": 90.882,
    "s": 65.385,
    "l": 40.784
  },
  "oklch": {
    "l": 0.67268,
    "c": 0.17725,
    "h": 133.7
  },
  "luminance": 0.32457
}

Semantic roles & 50–950 ramp

primary

#66AC24

secondary

#9766C6

accent

#3FE896

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #66AC24

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

Preview Lab → · Contrast checker → · Palette generator →