#66B62A#66B62A

#66B62A is a light, vivid yellow-green. Relative luminance 0.364; OKLCH L 69.9% C 0.186 H 135.2°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#66B62A
RGB	rgb(102, 182, 42)
HSL	hsl(94, 63%, 44%)
HSV	hsv(94, 77%, 71%)
CMYK	cmyk(44%, 0%, 76.9%, 28.6%)
CIE-LAB	lab(66.86, -47.28, 58.98)
CIE-LCH	lch(66.86, 75.59, 128.72°)
OKLab	oklab(69.85% -0.1322 0.1314)
OKLCH	oklch(69.85% 0.186 135.2)
XYZ	xyz(22.6248, 36.4465, 8.0328)
Luminance	0.3645 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B62A #7A2AB6

analogous

#ACB62A #66B62A #2AB634

triadic

#66B62A #2A66B6 #B62A66

tetradic

#66B62A #2AACB6 #7A2AB6 #B6342A

square

#66B62A #2AACB6 #7A2AB6 #B6342A

split-complementary

#66B62A #342AB6 #B62AAC

monochromatic

#2E5313 #4A841F #66B62A #85D548 #A6E07A

Accessibility & contrast

On white

2.53

#66B62A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.29

#66B62A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B62A

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B62A	#FFFFFF	#000000	##000000
##66B62A	1.00	2.53	8.29	8.29
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.29	21.00	1.00	1.00
##000000	8.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA704

Deuteranopia (green-blind)

#B2A039

Tritanopia (blue-blind)

#64AF9C

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #66b62a;
/* rgb */ color: rgb(102, 182, 42);
/* oklch */ color: oklch(69.9% 0.186 135.2);

Tailwind

colors: {
  custom: {
    50: '#99cc6e',
    500: '#66b62a',
    950: '#000000',
  },
}

SCSS

$custom: #66b62a;
$custom-light: #99cc6e;
$custom-dark: #000000;

JSON

{
  "hex": "#66b62a",
  "rgb": {
    "r": 102,
    "g": 182,
    "b": 42
  },
  "hsl": {
    "h": 94.286,
    "s": 62.5,
    "l": 43.922
  },
  "oklch": {
    "l": 0.69853,
    "c": 0.18634,
    "h": 135.2
  },
  "luminance": 0.36448
}

Semantic roles & 50–950 ramp

primary

#66B62A

secondary

#A473C8

accent

#42E6A0

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B62A

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

Preview Lab → · Contrast checker → · Palette generator →