#66AF2A#66AF2A

#66AF2A is a light, vivid yellow-green. Relative luminance 0.337; OKLCH L 68.1% C 0.178 H 134.4°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#66AF2A
RGB	rgb(102, 175, 42)
HSL	hsl(93, 61%, 43%)
HSV	hsv(93, 76%, 69%)
CMYK	cmyk(41.7%, 0%, 76%, 31.4%)
CIE-LAB	lab(64.68, -44.42, 56.88)
CIE-LCH	lch(64.68, 72.17, 127.99°)
OKLab	oklab(68.07% -0.1245 0.127)
OKLCH	oklch(68.07% 0.178 134.4)
XYZ	xyz(21.2270, 33.6508, 7.5668)
Luminance	0.3365 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF2A #732AAF

analogous

#A9AF2A #66AF2A #2AAF30

triadic

#66AF2A #2A66AF #AF2A66

tetradic

#66AF2A #2AA9AF #732AAF #AF302A

square

#66AF2A #2AA9AF #732AAF #AF302A

split-complementary

#66AF2A #302AAF #AF2AA9

monochromatic

#2C4C12 #497E1E #66AF2A #84D244 #A5DE75

Accessibility & contrast

On white

2.72

#66AF2A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#66AF2A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF2A

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF2A	#FFFFFF	#000000	##000000
##66AF2A	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A10B

Deuteranopia (green-blind)

#AC9B38

Tritanopia (blue-blind)

#65A896

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66af2a;
/* rgb */ color: rgb(102, 175, 42);
/* oklch */ color: oklch(68.1% 0.178 134.4);

Tailwind

colors: {
  custom: {
    50: '#98c76e',
    500: '#66af2a',
    950: '#000000',
  },
}

SCSS

$custom: #66af2a;
$custom-light: #98c76e;
$custom-dark: #000000;

JSON

{
  "hex": "#66af2a",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 42
  },
  "hsl": {
    "h": 92.932,
    "s": 61.29,
    "l": 42.549
  },
  "oklch": {
    "l": 0.6807,
    "c": 0.1778,
    "h": 134.4
  },
  "luminance": 0.33652
}

Semantic roles & 50–950 ramp

primary

#66AF2A

secondary

#9F6FC6

accent

#43E49C

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AF2A

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

Preview Lab → · Contrast checker → · Palette generator →