#66A327#66A327

#66A327 is a light, vivid yellow-green. Relative luminance 0.292; OKLCH L 65.0% C 0.165 H 132.6°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#66A327
RGB	rgb(102, 163, 39)
HSL	hsl(90, 61%, 40%)
HSV	hsv(90, 76%, 64%)
CMYK	cmyk(37.4%, 0%, 76.1%, 36.1%)
CIE-LAB	lab(60.93, -39.52, 54.27)
CIE-LCH	lch(60.93, 67.13, 126.07°)
OKLab	oklab(64.99% -0.1114 0.121)
OKLCH	oklch(64.99% 0.165 132.6)
XYZ	xyz(18.9426, 29.1648, 6.5504)
Luminance	0.2917 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A327 #6427A3

analogous

#A3A227 #66A327 #28A327

triadic

#66A327 #2766A3 #A32766

tetradic

#66A327 #27A3A2 #6427A3 #A32728

square

#66A327 #27A3A2 #6427A3 #A32728

split-complementary

#66A327 #2728A3 #A227A3

monochromatic

#28400F #47721B #66A327 #85CF38 #A3DB69

Accessibility & contrast

On white

3.07

#66A327 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#66A327 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A327

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A327	#FFFFFF	#000000	##000000
##66A327	1.00	3.07	6.83	6.83
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA960B

Deuteranopia (green-blind)

#A29134

Tritanopia (blue-blind)

#679C8B

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #66a327;
/* rgb */ color: rgb(102, 163, 39);
/* oklch */ color: oklch(65.0% 0.165 132.6);

Tailwind

colors: {
  custom: {
    50: '#97be6b',
    500: '#66a327',
    950: '#000000',
  },
}

SCSS

$custom: #66a327;
$custom-light: #97be6b;
$custom-dark: #000000;

JSON

{
  "hex": "#66a327",
  "rgb": {
    "r": 102,
    "g": 163,
    "b": 39
  },
  "hsl": {
    "h": 89.516,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.6499,
    "c": 0.16453,
    "h": 132.6
  },
  "luminance": 0.29166
}

Semantic roles & 50–950 ramp

primary

#66A327

secondary

#9264C1

accent

#43E493

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A327

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

Preview Lab → · Contrast checker → · Palette generator →