#66A720#66A720

#66A720 is a light, vivid yellow-green. Relative luminance 0.306; OKLCH L 66.0% C 0.173 H 132.8°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#66A720
RGB	rgb(102, 167, 32)
HSL	hsl(89, 68%, 39%)
HSV	hsv(89, 81%, 65%)
CMYK	cmyk(38.9%, 0%, 80.8%, 34.5%)
CIE-LAB	lab(62.14, -41.62, 57.63)
CIE-LCH	lch(62.14, 71.09, 125.83°)
OKLab	oklab(65.97% -0.1176 0.127)
OKLCH	oklch(65.97% 0.173 132.8)
XYZ	xyz(19.5587, 30.5656, 6.2354)
Luminance	0.3057 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A720 #6120A7

analogous

#A7A520 #66A720 #23A720

triadic

#66A720 #2066A7 #A72066

tetradic

#66A720 #20A7A5 #6120A7 #A72023

square

#66A720 #20A7A5 #6120A7 #A72023

split-complementary

#66A720 #2023A7 #A520A7

monochromatic

#27400C #477416 #66A720 #85D72D #A3E161

Accessibility & contrast

On white

2.95

#66A720 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#66A720 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A720

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A720	#FFFFFF	#000000	##000000
##66A720	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9900

Deuteranopia (green-blind)

#A59430

Tritanopia (blue-blind)

#67A08E

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #66a720;
/* rgb */ color: rgb(102, 167, 32);
/* oklch */ color: oklch(66.0% 0.173 132.8);

Tailwind

colors: {
  custom: {
    50: '#97c168',
    500: '#66a720',
    950: '#000000',
  },
}

SCSS

$custom: #66a720;
$custom-light: #97c168;
$custom-dark: #000000;

JSON

{
  "hex": "#66a720",
  "rgb": {
    "r": 102,
    "g": 167,
    "b": 32
  },
  "hsl": {
    "h": 88.889,
    "s": 67.839,
    "l": 39.02
  },
  "oklch": {
    "l": 0.65969,
    "c": 0.17307,
    "h": 132.8
  },
  "luminance": 0.30566
}

Semantic roles & 50–950 ramp

primary

#66A720

secondary

#8F5DC5

accent

#3DEB91

background

#F9FBF6

surface

#F2F7EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A720

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

Preview Lab → · Contrast checker → · Palette generator →