#66A52C#66A52C

#66A52C is a light, vivid yellow-green. Relative luminance 0.299; OKLCH L 65.5% C 0.164 H 133.3°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#66A52C
RGB	rgb(102, 165, 44)
HSL	hsl(91, 58%, 41%)
HSV	hsv(91, 73%, 65%)
CMYK	cmyk(38.2%, 0%, 73.3%, 35.3%)
CIE-LAB	lab(61.58, -40.07, 53.13)
CIE-LCH	lch(61.58, 66.54, 127.02°)
OKLab	oklab(65.54% -0.1126 0.1194)
OKLCH	oklch(65.54% 0.164 133.3)
XYZ	xyz(19.3889, 29.9160, 7.1351)
Luminance	0.2992 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A52C #6B2CA5

analogous

#A2A52C #66A52C #2CA52E

triadic

#66A52C #2C66A5 #A52C66

tetradic

#66A52C #2CA2A5 #6B2CA5 #A52E2C

square

#66A52C #2CA2A5 #6B2CA5 #A52E2C

split-complementary

#66A52C #2E2CA5 #A52CA2

monochromatic

#2A4412 #48751F #66A52C #84CD42 #A4D972

Accessibility & contrast

On white

3.01

#66A52C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#66A52C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A52C

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A52C	#FFFFFF	#000000	##000000
##66A52C	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9816

Deuteranopia (green-blind)

#A39338

Tritanopia (blue-blind)

#669E8D

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #66a52c;
/* rgb */ color: rgb(102, 165, 44);
/* oklch */ color: oklch(65.5% 0.164 133.3);

Tailwind

colors: {
  custom: {
    50: '#97c06d',
    500: '#66a52c',
    950: '#000000',
  },
}

SCSS

$custom: #66a52c;
$custom-light: #97c06d;
$custom-dark: #000000;

JSON

{
  "hex": "#66a52c",
  "rgb": {
    "r": 102,
    "g": 165,
    "b": 44
  },
  "hsl": {
    "h": 91.24,
    "s": 57.895,
    "l": 40.98
  },
  "oklch": {
    "l": 0.65535,
    "c": 0.1641,
    "h": 133.3
  },
  "luminance": 0.29917
}

Semantic roles & 50–950 ramp

primary

#66A52C

secondary

#986CC1

accent

#47E197

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A52C

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

Preview Lab → · Contrast checker → · Palette generator →