#66A91C#66A91C

#66A91C is a light, vivid yellow-green. Relative luminance 0.313; OKLCH L 66.5% C 0.177 H 132.9°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#66A91C
RGB	rgb(102, 169, 28)
HSL	hsl(89, 72%, 39%)
HSV	hsv(89, 83%, 66%)
CMYK	cmyk(39.6%, 0%, 83.4%, 33.7%)
CIE-LAB	lab(62.75, -42.64, 59.29)
CIE-LCH	lch(62.75, 73.03, 125.72°)
OKLab	oklab(66.46% -0.1205 0.1299)
OKLCH	oklch(66.46% 0.177 132.9)
XYZ	xyz(19.8768, 31.2836, 6.0894)
Luminance	0.3129 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A91C #5F1CA9

analogous

#A9A51C #66A91C #1FA91C

triadic

#66A91C #1C66A9 #A91C66

tetradic

#66A91C #1CA9A5 #5F1CA9 #A91C1F

square

#66A91C #1CA9A5 #5F1CA9 #A91C1F

split-complementary

#66A91C #1C1FA9 #A51CA9

monochromatic

#27400B #467413 #66A91C #86DB27 #A3E45B

Accessibility & contrast

On white

2.89

#66A91C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#66A91C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A91C

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A91C	#FFFFFF	#000000	##000000
##66A91C	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B00

Deuteranopia (green-blind)

#A7962D

Tritanopia (blue-blind)

#67A290

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #66a91c;
/* rgb */ color: rgb(102, 169, 28);
/* oklch */ color: oklch(66.5% 0.177 132.9);

Tailwind

colors: {
  custom: {
    50: '#98c367',
    500: '#66a91c',
    950: '#000000',
  },
}

SCSS

$custom: #66a91c;
$custom-light: #98c367;
$custom-dark: #000000;

JSON

{
  "hex": "#66a91c",
  "rgb": {
    "r": 102,
    "g": 169,
    "b": 28
  },
  "hsl": {
    "h": 88.511,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.66461,
    "c": 0.17721,
    "h": 132.9
  },
  "luminance": 0.31285
}

Semantic roles & 50–950 ramp

primary

#66A91C

secondary

#8E59C8

accent

#39EE8F

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A91C

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

Preview Lab → · Contrast checker → · Palette generator →