#66A42D#66A42D

#66A42D is a light, vivid yellow-green. Relative luminance 0.296; OKLCH L 65.3% C 0.162 H 133.3°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#66A42D
RGB	rgb(102, 164, 45)
HSL	hsl(91, 57%, 41%)
HSV	hsv(91, 73%, 64%)
CMYK	cmyk(37.8%, 0%, 72.6%, 35.7%)
CIE-LAB	lab(61.28, -39.57, 52.45)
CIE-LCH	lch(61.28, 65.70, 127.03°)
OKLab	oklab(65.29% -0.1111 0.1181)
OKLCH	oklch(65.29% 0.162 133.3)
XYZ	xyz(19.2283, 29.5643, 7.1755)
Luminance	0.2957 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A42D #6B2DA4

analogous

#A1A42D #66A42D #2DA430

triadic

#66A42D #2D66A4 #A42D66

tetradic

#66A42D #2DA1A4 #6B2DA4 #A4302D

square

#66A42D #2DA1A4 #6B2DA4 #A4302D

split-complementary

#66A42D #302DA4 #A42DA1

monochromatic

#2A4413 #487420 #66A42D #84CB43 #A4D973

Accessibility & contrast

On white

3.04

#66A42D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#66A42D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A42D

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A42D	#FFFFFF	#000000	##000000
##66A42D	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB9718

Deuteranopia (green-blind)

#A29238

Tritanopia (blue-blind)

#669D8D

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #66a42d;
/* rgb */ color: rgb(102, 164, 45);
/* oklch */ color: oklch(65.3% 0.162 133.3);

Tailwind

colors: {
  custom: {
    50: '#97bf6e',
    500: '#66a42d',
    950: '#000000',
  },
}

SCSS

$custom: #66a42d;
$custom-light: #97bf6e;
$custom-dark: #000000;

JSON

{
  "hex": "#66a42d",
  "rgb": {
    "r": 102,
    "g": 164,
    "b": 45
  },
  "hsl": {
    "h": 91.261,
    "s": 56.938,
    "l": 40.98
  },
  "oklch": {
    "l": 0.65287,
    "c": 0.16219,
    "h": 133.3
  },
  "luminance": 0.29565
}

Semantic roles & 50–950 ramp

primary

#66A42D

secondary

#986DC0

accent

#48E097

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66A42D

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

Preview Lab → · Contrast checker → · Palette generator →