#66B022#66B022

#66B022 is a light, vivid yellow-green. Relative luminance 0.340; OKLCH L 68.3% C 0.183 H 134.1°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#66B022
RGB	rgb(102, 176, 34)
HSL	hsl(91, 68%, 41%)
HSV	hsv(91, 81%, 69%)
CMYK	cmyk(42%, 0%, 80.7%, 31%)
CIE-LAB	lab(64.95, -45.27, 59.64)
CIE-LCH	lch(64.95, 74.88, 127.20°)
OKLab	oklab(68.28% -0.1273 0.1315)
OKLCH	oklch(68.28% 0.183 134.1)
XYZ	xyz(21.2932, 33.9898, 6.9518)
Luminance	0.3399 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B022 #6C22B0

analogous

#ADB022 #66B022 #22B025

triadic

#66B022 #2266B0 #B02266

tetradic

#66B022 #22ADB0 #6C22B0 #B02522

square

#66B022 #22ADB0 #6C22B0 #B02522

split-complementary

#66B022 #2522B0 #B022AD

monochromatic

#2B490E #487D18 #66B022 #84D837 #A4E26A

Accessibility & contrast

On white

2.69

#66B022 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#66B022 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B022

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B022	#FFFFFF	#000000	##000000
##66B022	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#AD9B33

Tritanopia (blue-blind)

#65A996

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #66b022;
/* rgb */ color: rgb(102, 176, 34);
/* oklch */ color: oklch(68.3% 0.183 134.1);

Tailwind

colors: {
  custom: {
    50: '#98c86a',
    500: '#66b022',
    950: '#000000',
  },
}

SCSS

$custom: #66b022;
$custom-light: #98c86a;
$custom-dark: #000000;

JSON

{
  "hex": "#66b022",
  "rgb": {
    "r": 102,
    "g": 176,
    "b": 34
  },
  "hsl": {
    "h": 91.268,
    "s": 67.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.68278,
    "c": 0.18303,
    "h": 134.1
  },
  "luminance": 0.33991
}

Semantic roles & 50–950 ramp

primary

#66B022

secondary

#9966C8

accent

#3DEA98

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #66B022

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

Preview Lab → · Contrast checker → · Palette generator →