#66A01D#66A01D

#66A01D is a light, vivid yellow-green. Relative luminance 0.281; OKLCH L 64.2% C 0.166 H 131.6°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#66A01D
RGB	rgb(102, 160, 29)
HSL	hsl(87, 69%, 37%)
HSV	hsv(87, 82%, 63%)
CMYK	cmyk(36.2%, 0%, 81.9%, 37.3%)
CIE-LAB	lab(59.94, -38.75, 56.49)
CIE-LCH	lch(59.94, 68.50, 124.45°)
OKLab	oklab(64.17% -0.11 0.1241)
OKLCH	oklch(64.17% 0.166 131.6)
XYZ	xyz(18.2719, 28.0544, 5.6145)
Luminance	0.2806 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A01D #571DA0

analogous

#A0991D #66A01D #25A01D

triadic

#66A01D #1D66A0 #A01D66

tetradic

#66A01D #1DA099 #571DA0 #A01D25

square

#66A01D #1DA099 #571DA0 #A01D25

split-complementary

#66A01D #1D25A0 #991DA0

monochromatic

#24380A #456C14 #66A01D #87D426 #A4E157

Accessibility & contrast

On white

3.18

#66A01D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#66A01D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A01D

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A01D	#FFFFFF	#000000	##000000
##66A01D	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79300

Deuteranopia (green-blind)

#9F8F2C

Tritanopia (blue-blind)

#689988

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #66a01d;
/* rgb */ color: rgb(102, 160, 29);
/* oklch */ color: oklch(64.2% 0.166 131.6);

Tailwind

colors: {
  custom: {
    50: '#97bc66',
    500: '#66a01d',
    950: '#000000',
  },
}

SCSS

$custom: #66a01d;
$custom-light: #97bc66;
$custom-dark: #000000;

JSON

{
  "hex": "#66a01d",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 29
  },
  "hsl": {
    "h": 86.565,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.64165,
    "c": 0.16588,
    "h": 131.6
  },
  "luminance": 0.28055
}

Semantic roles & 50–950 ramp

primary

#66A01D

secondary

#8655C4

accent

#3CEC8A

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #66A01D

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

Preview Lab → · Contrast checker → · Palette generator →