#66A017#66A017

#66A017 is a light, vivid yellow-green. Relative luminance 0.280; OKLCH L 64.1% C 0.168 H 131.3°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#66A017
RGB	rgb(102, 160, 23)
HSL	hsl(85, 75%, 36%)
HSV	hsv(85, 86%, 63%)
CMYK	cmyk(36.2%, 0%, 85.6%, 37.3%)
CIE-LAB	lab(59.91, -39.00, 58.04)
CIE-LCH	lch(59.91, 69.92, 123.90°)
OKLab	oklab(64.14% -0.111 0.1265)
OKLCH	oklch(64.14% 0.168 131.3)
XYZ	xyz(18.2048, 28.0275, 5.2611)
Luminance	0.2803 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A017 #5117A0

analogous

#A09517 #66A017 #22A017

triadic

#66A017 #1766A0 #A01766

tetradic

#66A017 #17A095 #5117A0 #A01722

square

#66A017 #17A095 #5117A0 #A01722

split-complementary

#66A017 #1722A0 #9517A0

monochromatic

#223508 #446A0F #66A017 #88D61F #A4E54C

Accessibility & contrast

On white

3.18

#66A017 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#66A017 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A017

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A017	#FFFFFF	#000000	##000000
##66A017	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)

#A08F29

Tritanopia (blue-blind)

#689988

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #66a017;
/* rgb */ color: rgb(102, 160, 23);
/* oklch */ color: oklch(64.1% 0.168 131.3);

Tailwind

colors: {
  custom: {
    50: '#97bc64',
    500: '#66a017',
    950: '#000000',
  },
}

SCSS

$custom: #66a017;
$custom-light: #97bc64;
$custom-dark: #000000;

JSON

{
  "hex": "#66a017",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 23
  },
  "hsl": {
    "h": 85.401,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.64138,
    "c": 0.16834,
    "h": 131.3
  },
  "luminance": 0.28028
}

Semantic roles & 50–950 ramp

primary

#66A017

secondary

#804CC7

accent

#36F186

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #66A017

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

Preview Lab → · Contrast checker → · Palette generator →