#66A019#66A019

#66A019 is a light, vivid yellow-green. Relative luminance 0.280; OKLCH L 64.1% C 0.168 H 131.4°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#66A019
RGB	rgb(102, 160, 25)
HSL	hsl(86, 73%, 36%)
HSV	hsv(86, 84%, 63%)
CMYK	cmyk(36.2%, 0%, 84.4%, 37.3%)
CIE-LAB	lab(59.92, -38.92, 57.55)
CIE-LCH	lch(59.92, 69.48, 124.07°)
OKLab	oklab(64.15% -0.1107 0.1258)
OKLCH	oklch(64.15% 0.168 131.4)
XYZ	xyz(18.2256, 28.0358, 5.3707)
Luminance	0.2804 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A019 #5319A0

analogous

#A09719 #66A019 #22A019

triadic

#66A019 #1966A0 #A01966

tetradic

#66A019 #19A097 #5319A0 #A01922

square

#66A019 #19A097 #5319A0 #A01922

split-complementary

#66A019 #1922A0 #9719A0

monochromatic

#233608 #446B11 #66A019 #88D521 #A4E450

Accessibility & contrast

On white

3.18

#66A019 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#66A019 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A019

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A019	#FFFFFF	#000000	##000000
##66A019	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)

#A08F2A

Tritanopia (blue-blind)

#689988

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #66a019;
/* rgb */ color: rgb(102, 160, 25);
/* oklch */ color: oklch(64.1% 0.168 131.4);

Tailwind

colors: {
  custom: {
    50: '#97bc64',
    500: '#66a019',
    950: '#000000',
  },
}

SCSS

$custom: #66a019;
$custom-light: #97bc64;
$custom-dark: #000000;

JSON

{
  "hex": "#66a019",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 25
  },
  "hsl": {
    "h": 85.778,
    "s": 72.973,
    "l": 36.275
  },
  "oklch": {
    "l": 0.64146,
    "c": 0.16757,
    "h": 131.4
  },
  "luminance": 0.28037
}

Semantic roles & 50–950 ramp

primary

#66A019

secondary

#824FC6

accent

#38F087

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #66A019

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

Preview Lab → · Contrast checker → · Palette generator →