#66AA20#66AA20

#66AA20 is a light, vivid yellow-green. Relative luminance 0.317; OKLCH L 66.7% C 0.177 H 133.2°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#66AA20
RGB	rgb(102, 170, 32)
HSL	hsl(90, 68%, 40%)
HSV	hsv(90, 81%, 67%)
CMYK	cmyk(40%, 0%, 81.2%, 33.3%)
CIE-LAB	lab(63.08, -42.88, 58.49)
CIE-LCH	lch(63.08, 72.53, 126.25°)
OKLab	oklab(66.74% -0.121 0.1288)
OKLCH	oklch(66.74% 0.177 133.2)
XYZ	xyz(20.1146, 31.6775, 6.4207)
Luminance	0.3168 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AA20 #6420AA

analogous

#AAA920 #66AA20 #21AA20

triadic

#66AA20 #2066AA #AA2066

tetradic

#66AA20 #20AAA9 #6420AA #AA2021

square

#66AA20 #20AAA9 #6420AA #AA2021

split-complementary

#66AA20 #2021AA #A920AA

monochromatic

#28430D #477616 #66AA20 #85D82F #A3E263

Accessibility & contrast

On white

2.86

#66AA20 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#66AA20 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AA20

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AA20	#FFFFFF	#000000	##000000
##66AA20	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19C00

Deuteranopia (green-blind)

#A89730

Tritanopia (blue-blind)

#66A391

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #66aa20;
/* rgb */ color: rgb(102, 170, 32);
/* oklch */ color: oklch(66.7% 0.177 133.2);

Tailwind

colors: {
  custom: {
    50: '#98c468',
    500: '#66aa20',
    950: '#000000',
  },
}

SCSS

$custom: #66aa20;
$custom-light: #98c468;
$custom-dark: #000000;

JSON

{
  "hex": "#66aa20",
  "rgb": {
    "r": 102,
    "g": 170,
    "b": 32
  },
  "hsl": {
    "h": 89.565,
    "s": 68.317,
    "l": 39.608
  },
  "oklch": {
    "l": 0.66736,
    "c": 0.17672,
    "h": 133.2
  },
  "luminance": 0.31679
}

Semantic roles & 50–950 ramp

primary

#66AA20

secondary

#925FC7

accent

#3DEB93

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66AA20

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

Preview Lab → · Contrast checker → · Palette generator →