#66A22B#66A22B

#66A22B is a light, vivid yellow-green. Relative luminance 0.288; OKLCH L 64.8% C 0.161 H 132.8°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#66A22B
RGB	rgb(102, 162, 43)
HSL	hsl(90, 58%, 40%)
HSV	hsv(90, 73%, 64%)
CMYK	cmyk(37%, 0%, 73.5%, 36.5%)
CIE-LAB	lab(60.64, -38.83, 52.56)
CIE-LCH	lch(60.64, 65.35, 126.46°)
OKLab	oklab(64.76% -0.1093 0.1181)
OKLCH	oklch(64.76% 0.161 132.8)
XYZ	xyz(18.8356, 28.8390, 6.8591)
Luminance	0.2884 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A22B #672BA2

analogous

#A2A22B #66A22B #2BA22B

triadic

#66A22B #2B66A2 #A22B66

tetradic

#66A22B #2BA2A2 #672BA2 #A22B2B

square

#66A22B #2BA2A2 #672BA2 #A22B2B

split-complementary

#66A22B #2B2BA2 #A22BA2

monochromatic

#294111 #48721E #66A22B #85CC3E #A3D96F

Accessibility & contrast

On white

3.10

#66A22B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#66A22B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A22B

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A22B	#FFFFFF	#000000	##000000
##66A22B	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99515

Deuteranopia (green-blind)

#A19136

Tritanopia (blue-blind)

#679B8B

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #66a22b;
/* rgb */ color: rgb(102, 162, 43);
/* oklch */ color: oklch(64.8% 0.161 132.8);

Tailwind

colors: {
  custom: {
    50: '#96be6c',
    500: '#66a22b',
    950: '#000000',
  },
}

SCSS

$custom: #66a22b;
$custom-light: #96be6c;
$custom-dark: #000000;

JSON

{
  "hex": "#66a22b",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 43
  },
  "hsl": {
    "h": 90.252,
    "s": 58.049,
    "l": 40.196
  },
  "oklch": {
    "l": 0.64763,
    "c": 0.16088,
    "h": 132.8
  },
  "luminance": 0.2884
}

Semantic roles & 50–950 ramp

primary

#66A22B

secondary

#9569C0

accent

#47E195

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A22B

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

Preview Lab → · Contrast checker → · Palette generator →