#66B82C#66B82C

#66B82C is a light, vivid yellow-green. Relative luminance 0.373; OKLCH L 70.4% C 0.188 H 135.5°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#66B82C
RGB	rgb(102, 184, 44)
HSL	hsl(95, 61%, 45%)
HSV	hsv(95, 76%, 72%)
CMYK	cmyk(44.6%, 0%, 76.1%, 27.8%)
CIE-LAB	lab(67.49, -47.96, 58.93)
CIE-LCH	lch(67.49, 75.98, 129.14°)
OKLab	oklab(70.38% -0.1339 0.1315)
OKLCH	oklch(70.38% 0.188 135.5)
XYZ	xyz(23.0740, 37.2862, 8.3635)
Luminance	0.3729 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B82C #7E2CB8

analogous

#ACB82C #66B82C #2CB838

triadic

#66B82C #2C66B8 #B82C66

tetradic

#66B82C #2CACB8 #7E2CB8 #B8382C

square

#66B82C #2CACB8 #7E2CB8 #B8382C

split-complementary

#66B82C #382CB8 #B82CAC

monochromatic

#2F5514 #4B8720 #66B82C #85D44D #A7E07E

Accessibility & contrast

On white

2.48

#66B82C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#66B82C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B82C

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B82C	#FFFFFF	#000000	##000000
##66B82C	1.00	2.48	8.46	8.46
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.46	21.00	1.00	1.00
##000000	8.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA90A

Deuteranopia (green-blind)

#B4A23B

Tritanopia (blue-blind)

#63B19E

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #66b82c;
/* rgb */ color: rgb(102, 184, 44);
/* oklch */ color: oklch(70.4% 0.188 135.5);

Tailwind

colors: {
  custom: {
    50: '#99ce70',
    500: '#66b82c',
    950: '#000000',
  },
}

SCSS

$custom: #66b82c;
$custom-light: #99ce70;
$custom-dark: #000000;

JSON

{
  "hex": "#66b82c",
  "rgb": {
    "r": 102,
    "g": 184,
    "b": 44
  },
  "hsl": {
    "h": 95.143,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.70375,
    "c": 0.1877,
    "h": 135.5
  },
  "luminance": 0.37288
}

Semantic roles & 50–950 ramp

primary

#66B82C

secondary

#A777C9

accent

#43E5A2

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0F1308

muted

#7E827B

Preview Lab

Preview with #66B82C

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

Preview Lab → · Contrast checker → · Palette generator →