#66AE25#66AE25

#66AE25 is a light, vivid yellow-green. Relative luminance 0.332; OKLCH L 67.8% C 0.179 H 134.0°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#66AE25
RGB	rgb(102, 174, 37)
HSL	hsl(92, 65%, 41%)
HSV	hsv(92, 79%, 68%)
CMYK	cmyk(41.4%, 0%, 78.7%, 31.8%)
CIE-LAB	lab(64.35, -44.29, 58.18)
CIE-LCH	lch(64.35, 73.12, 127.28°)
OKLab	oklab(67.78% -0.1245 0.1289)
OKLCH	oklch(67.78% 0.179 134)
XYZ	xyz(20.9491, 33.2294, 7.0600)
Luminance	0.3323 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AE25 #6D25AE

analogous

#ABAE25 #66AE25 #25AE29

triadic

#66AE25 #2566AE #AE2566

tetradic

#66AE25 #25ABAE #6D25AE #AE2925

square

#66AE25 #25ABAE #6D25AE #AE2925

split-complementary

#66AE25 #2925AE #AE25AB

monochromatic

#2B4910 #487C1A #66AE25 #84D53B #A4E06D

Accessibility & contrast

On white

2.75

#66AE25 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#66AE25 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AE25

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AE25	#FFFFFF	#000000	##000000
##66AE25	1.00	2.75	7.65	7.65
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A000

Deuteranopia (green-blind)

#AB9A34

Tritanopia (blue-blind)

#65A795

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #66ae25;
/* rgb */ color: rgb(102, 174, 37);
/* oklch */ color: oklch(67.8% 0.179 134.0);

Tailwind

colors: {
  custom: {
    50: '#98c66b',
    500: '#66ae25',
    950: '#000000',
  },
}

SCSS

$custom: #66ae25;
$custom-light: #98c66b;
$custom-dark: #000000;

JSON

{
  "hex": "#66ae25",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 37
  },
  "hsl": {
    "h": 91.533,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67784,
    "c": 0.17919,
    "h": 134
  },
  "luminance": 0.3323
}

Semantic roles & 50–950 ramp

primary

#66AE25

secondary

#9A68C6

accent

#40E898

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #66AE25

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

Preview Lab → · Contrast checker → · Palette generator →