#66A225#66A225

#66A225 is a light, vivid yellow-green. Relative luminance 0.288; OKLCH L 64.7% C 0.164 H 132.4°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#66A225
RGB	rgb(102, 162, 37)
HSL	hsl(89, 63%, 39%)
HSV	hsv(89, 77%, 64%)
CMYK	cmyk(37%, 0%, 77.2%, 36.5%)
CIE-LAB	lab(60.60, -39.21, 54.63)
CIE-LCH	lch(60.60, 67.24, 125.66°)
OKLab	oklab(64.72% -0.1107 0.1215)
OKLCH	oklch(64.72% 0.164 132.4)
XYZ	xyz(18.7335, 28.7982, 6.3215)
Luminance	0.2880 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A225 #6125A2

analogous

#A2A025 #66A225 #28A225

triadic

#66A225 #2566A2 #A22566

tetradic

#66A225 #25A2A0 #6125A2 #A22528

square

#66A225 #25A2A0 #6125A2 #A22528

split-complementary

#66A225 #2528A2 #A025A2

monochromatic

#273E0E #47701A #66A225 #85D134 #A3DC65

Accessibility & contrast

On white

3.11

#66A225 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#66A225 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A225

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A225	#FFFFFF	#000000	##000000
##66A225	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99505

Deuteranopia (green-blind)

#A19132

Tritanopia (blue-blind)

#679B8A

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #66a225;
/* rgb */ color: rgb(102, 162, 37);
/* oklch */ color: oklch(64.7% 0.164 132.4);

Tailwind

colors: {
  custom: {
    50: '#97be6a',
    500: '#66a225',
    950: '#000000',
  },
}

SCSS

$custom: #66a225;
$custom-light: #97be6a;
$custom-dark: #000000;

JSON

{
  "hex": "#66a225",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 37
  },
  "hsl": {
    "h": 88.8,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.64722,
    "c": 0.16438,
    "h": 132.4
  },
  "luminance": 0.28799
}

Semantic roles & 50–950 ramp

primary

#66A225

secondary

#8F61C2

accent

#42E691

background

#F9FBF6

surface

#F2F7EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A225

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

Preview Lab → · Contrast checker → · Palette generator →