#66AF2D#66AF2D

#66AF2D is a light, vivid yellow-green. Relative luminance 0.337; OKLCH L 68.1% C 0.176 H 134.7°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#66AF2D
RGB	rgb(102, 175, 45)
HSL	hsl(94, 59%, 43%)
HSV	hsv(94, 74%, 69%)
CMYK	cmyk(41.7%, 0%, 74.3%, 31.4%)
CIE-LAB	lab(64.70, -44.23, 55.87)
CIE-LCH	lch(64.70, 71.26, 128.37°)
OKLab	oklab(68.09% -0.1238 0.1253)
OKLCH	oklch(68.09% 0.176 134.7)
XYZ	xyz(21.2827, 33.6730, 7.8602)
Luminance	0.3367 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF2D #762DAF

analogous

#A7AF2D #66AF2D #2DAF35

triadic

#66AF2D #2D66AF #AF2D66

tetradic

#66AF2D #2DA7AF #762DAF #AF352D

square

#66AF2D #2DA7AF #762DAF #AF352D

split-complementary

#66AF2D #352DAF #AF2DA7

monochromatic

#2D4E14 #4A7E20 #66AF2D #84D049 #A5DD7A

Accessibility & contrast

On white

2.72

#66AF2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#66AF2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF2D

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF2D	#FFFFFF	#000000	##000000
##66AF2D	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)

#B6A113

Deuteranopia (green-blind)

#AC9B3A

Tritanopia (blue-blind)

#65A896

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66af2d;
/* rgb */ color: rgb(102, 175, 45);
/* oklch */ color: oklch(68.1% 0.176 134.7);

Tailwind

colors: {
  custom: {
    50: '#98c76f',
    500: '#66af2d',
    950: '#000000',
  },
}

SCSS

$custom: #66af2d;
$custom-light: #98c76f;
$custom-dark: #000000;

JSON

{
  "hex": "#66af2d",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 45
  },
  "hsl": {
    "h": 93.692,
    "s": 59.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.6809,
    "c": 0.17609,
    "h": 134.7
  },
  "luminance": 0.33674
}

Semantic roles & 50–950 ramp

primary

#66AF2D

secondary

#A173C5

accent

#46E29E

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AF2D

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

Preview Lab → · Contrast checker → · Palette generator →