#66B22E#66B22E

#66B22E is a light, vivid yellow-green. Relative luminance 0.349; OKLCH L 68.9% C 0.179 H 135.1°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#66B22E
RGB	rgb(102, 178, 46)
HSL	hsl(95, 59%, 44%)
HSV	hsv(95, 74%, 70%)
CMYK	cmyk(42.7%, 0%, 74.2%, 30.2%)
CIE-LAB	lab(65.64, -45.41, 56.44)
CIE-LCH	lch(65.64, 72.44, 128.82°)
OKLab	oklab(68.86% -0.1269 0.1266)
OKLCH	oklch(68.86% 0.179 135.1)
XYZ	xyz(21.8925, 34.8616, 8.1596)
Luminance	0.3486 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B22E #7A2EB2

analogous

#A8B22E #66B22E #2EB238

triadic

#66B22E #2E66B2 #B22E66

tetradic

#66B22E #2EA8B2 #7A2EB2 #B2382E

square

#66B22E #2EA8B2 #7A2EB2 #B2382E

split-complementary

#66B22E #382EB2 #B22EA8

monochromatic

#2E5115 #4A8121 #66B22E #85D14C #A6DD7D

Accessibility & contrast

On white

2.63

#66B22E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.97

#66B22E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B22E

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B22E	#FFFFFF	#000000	##000000
##66B22E	1.00	2.63	7.97	7.97
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.97	21.00	1.00	1.00
##000000	7.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A314

Deuteranopia (green-blind)

#AE9D3B

Tritanopia (blue-blind)

#64AB99

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66b22e;
/* rgb */ color: rgb(102, 178, 46);
/* oklch */ color: oklch(68.9% 0.179 135.1);

Tailwind

colors: {
  custom: {
    50: '#98c970',
    500: '#66b22e',
    950: '#000000',
  },
}

SCSS

$custom: #66b22e;
$custom-light: #98c970;
$custom-dark: #000000;

JSON

{
  "hex": "#66b22e",
  "rgb": {
    "r": 102,
    "g": 178,
    "b": 46
  },
  "hsl": {
    "h": 94.545,
    "s": 58.929,
    "l": 43.922
  },
  "oklch": {
    "l": 0.68861,
    "c": 0.17924,
    "h": 135.1
  },
  "luminance": 0.34863
}

Semantic roles & 50–950 ramp

primary

#66B22E

secondary

#A476C6

accent

#46E2A0

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B22E

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

Preview Lab → · Contrast checker → · Palette generator →