#66AB2A#66AB2A

#66AB2A is a light, vivid yellow-green. Relative luminance 0.321; OKLCH L 67.0% C 0.173 H 134.0°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#66AB2A
RGB	rgb(102, 171, 42)
HSL	hsl(92, 61%, 42%)
HSV	hsv(92, 75%, 67%)
CMYK	cmyk(40.4%, 0%, 75.4%, 32.9%)
CIE-LAB	lab(63.44, -42.75, 55.67)
CIE-LCH	lch(63.44, 70.20, 127.52°)
OKLab	oklab(67.05% -0.12 0.1244)
OKLCH	oklch(67.05% 0.173 134)
XYZ	xyz(20.4599, 32.1167, 7.3111)
Luminance	0.3212 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AB2A #6F2AAB

analogous

#A7AB2A #66AB2A #2AAB2F

triadic

#66AB2A #2A66AB #AB2A66

tetradic

#66AB2A #2AA7AB #6F2AAB #AB2F2A

square

#66AB2A #2AA7AB #6F2AAB #AB2F2A

split-complementary

#66AB2A #2F2AAB #AB2AA7

monochromatic

#2B4912 #497A1E #66AB2A #84D142 #A4DD73

Accessibility & contrast

On white

2.83

#66AB2A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#66AB2A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AB2A

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AB2A	#FFFFFF	#000000	##000000
##66AB2A	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D0E

Deuteranopia (green-blind)

#A89837

Tritanopia (blue-blind)

#65A492

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #66ab2a;
/* rgb */ color: rgb(102, 171, 42);
/* oklch */ color: oklch(67.0% 0.173 134.0);

Tailwind

colors: {
  custom: {
    50: '#97c46d',
    500: '#66ab2a',
    950: '#000000',
  },
}

SCSS

$custom: #66ab2a;
$custom-light: #97c46d;
$custom-dark: #000000;

JSON

{
  "hex": "#66ab2a",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 42
  },
  "hsl": {
    "h": 92.093,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.6705,
    "c": 0.17285,
    "h": 134
  },
  "luminance": 0.32118
}

Semantic roles & 50–950 ramp

primary

#66AB2A

secondary

#9B6DC4

accent

#44E499

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AB2A

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

Preview Lab → · Contrast checker → · Palette generator →