#66AF25#66AF25

#66AF25 is a light, vivid yellow-green. Relative luminance 0.336; OKLCH L 68.0% C 0.180 H 134.1°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#66AF25
RGB	rgb(102, 175, 37)
HSL	hsl(92, 65%, 42%)
HSV	hsv(92, 79%, 69%)
CMYK	cmyk(41.7%, 0%, 78.9%, 31.4%)
CIE-LAB	lab(64.66, -44.71, 58.47)
CIE-LCH	lch(64.66, 73.60, 127.40°)
OKLab	oklab(68.04% -0.1256 0.1295)
OKLCH	oklch(68.04% 0.18 134.1)
XYZ	xyz(21.1430, 33.6172, 7.1246)
Luminance	0.3362 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF25 #6E25AF

analogous

#ABAF25 #66AF25 #25AF29

triadic

#66AF25 #2566AF #AF2566

tetradic

#66AF25 #25ABAF #6E25AF #AF2925

square

#66AF25 #25ABAF #6E25AF #AF2925

split-complementary

#66AF25 #2925AF #AF25AB

monochromatic

#2B4A10 #497C1A #66AF25 #84D63C #A4E06E

Accessibility & contrast

On white

2.72

#66AF25 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#66AF25 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF25

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF25	#FFFFFF	#000000	##000000
##66AF25	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A100

Deuteranopia (green-blind)

#AC9B34

Tritanopia (blue-blind)

#65A895

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66af25;
/* rgb */ color: rgb(102, 175, 37);
/* oklch */ color: oklch(68.0% 0.180 134.1);

Tailwind

colors: {
  custom: {
    50: '#98c76b',
    500: '#66af25',
    950: '#000000',
  },
}

SCSS

$custom: #66af25;
$custom-light: #98c76b;
$custom-dark: #000000;

JSON

{
  "hex": "#66af25",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 37
  },
  "hsl": {
    "h": 91.739,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.68039,
    "c": 0.1804,
    "h": 134.1
  },
  "luminance": 0.33618
}

Semantic roles & 50–950 ramp

primary

#66AF25

secondary

#9B69C7

accent

#40E899

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #66AF25

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

Preview Lab → · Contrast checker → · Palette generator →