#66A020#66A020

#66A020 is a light, vivid yellow-green. Relative luminance 0.281; OKLCH L 64.2% C 0.164 H 131.7°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#66A020
RGB	rgb(102, 160, 32)
HSL	hsl(87, 67%, 38%)
HSV	hsv(87, 80%, 63%)
CMYK	cmyk(36.2%, 0%, 80%, 37.3%)
CIE-LAB	lab(59.95, -38.60, 55.62)
CIE-LCH	lch(59.95, 67.70, 124.77°)
OKLab	oklab(64.18% -0.1094 0.1228)
OKLCH	oklch(64.18% 0.164 131.7)
XYZ	xyz(18.3108, 28.0699, 5.8195)
Luminance	0.2807 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A020 #5A20A0

analogous

#A09A20 #66A020 #26A020

triadic

#66A020 #2066A0 #A02066

tetradic

#66A020 #20A09A #5A20A0 #A02026

square

#66A020 #20A09A #5A20A0 #A02026

split-complementary

#66A020 #2026A0 #9A20A0

monochromatic

#253A0C #456D16 #66A020 #87D32A #A3DE5C

Accessibility & contrast

On white

3.17

#66A020 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#66A020 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A020

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A020	#FFFFFF	#000000	##000000
##66A020	1.00	3.17	6.61	6.61
#FFFFFF	3.17	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)

#9F8F2E

Tritanopia (blue-blind)

#689988

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #66a020;
/* rgb */ color: rgb(102, 160, 32);
/* oklch */ color: oklch(64.2% 0.164 131.7);

Tailwind

colors: {
  custom: {
    50: '#97bc67',
    500: '#66a020',
    950: '#000000',
  },
}

SCSS

$custom: #66a020;
$custom-light: #97bc67;
$custom-dark: #000000;

JSON

{
  "hex": "#66a020",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 32
  },
  "hsl": {
    "h": 87.188,
    "s": 66.667,
    "l": 37.647
  },
  "oklch": {
    "l": 0.64181,
    "c": 0.16447,
    "h": 131.7
  },
  "luminance": 0.28071
}

Semantic roles & 50–950 ramp

primary

#66A020

secondary

#8959C3

accent

#3EEA8C

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A020

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

Preview Lab → · Contrast checker → · Palette generator →