#66AF2B#66AF2B

#66AF2B is a light, vivid yellow-green. Relative luminance 0.337; OKLCH L 68.1% C 0.177 H 134.5°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#66AF2B
RGB	rgb(102, 175, 43)
HSL	hsl(93, 61%, 43%)
HSV	hsv(93, 75%, 69%)
CMYK	cmyk(41.7%, 0%, 75.4%, 31.4%)
CIE-LAB	lab(64.69, -44.36, 56.55)
CIE-LCH	lch(64.69, 71.87, 128.11°)
OKLab	oklab(68.08% -0.1242 0.1264)
OKLCH	oklch(68.08% 0.177 134.5)
XYZ	xyz(21.2451, 33.6580, 7.6622)
Luminance	0.3366 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AF2B #742BAF

analogous

#A8AF2B #66AF2B #2BAF32

triadic

#66AF2B #2B66AF #AF2B66

tetradic

#66AF2B #2BA8AF #742BAF #AF322B

square

#66AF2B #2BA8AF #742BAF #AF322B

split-complementary

#66AF2B #322BAF #AF2BA8

monochromatic

#2D4D13 #497E1F #66AF2B #84D146 #A5DE77

Accessibility & contrast

On white

2.72

#66AF2B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#66AF2B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AF2B

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AF2B	#FFFFFF	#000000	##000000
##66AF2B	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)

#B6A10E

Deuteranopia (green-blind)

#AC9B39

Tritanopia (blue-blind)

#65A896

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #66af2b;
/* rgb */ color: rgb(102, 175, 43);
/* oklch */ color: oklch(68.1% 0.177 134.5);

Tailwind

colors: {
  custom: {
    50: '#98c76e',
    500: '#66af2b',
    950: '#000000',
  },
}

SCSS

$custom: #66af2b;
$custom-light: #98c76e;
$custom-dark: #000000;

JSON

{
  "hex": "#66af2b",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 43
  },
  "hsl": {
    "h": 93.182,
    "s": 60.55,
    "l": 42.745
  },
  "oklch": {
    "l": 0.68077,
    "c": 0.17724,
    "h": 134.5
  },
  "luminance": 0.33659
}

Semantic roles & 50–950 ramp

primary

#66AF2B

secondary

#9F70C5

accent

#44E49C

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AF2B

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

Preview Lab → · Contrast checker → · Palette generator →