#66AB37#66AB37

#66AB37 is a light, vivid yellow-green. Relative luminance 0.322; OKLCH L 67.2% C 0.164 H 135.1°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#66AB37
RGB	rgb(102, 171, 55)
HSL	hsl(96, 51%, 44%)
HSV	hsv(96, 68%, 67%)
CMYK	cmyk(40.4%, 0%, 67.8%, 32.9%)
CIE-LAB	lab(63.53, -41.82, 50.84)
CIE-LCH	lch(63.53, 65.83, 129.44°)
OKLab	oklab(67.15% -0.1165 0.1161)
OKLCH	oklch(67.15% 0.164 135.1)
XYZ	xyz(20.7315, 32.2254, 8.7414)
Luminance	0.3223 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AB37 #7C37AB

analogous

#A0AB37 #66AB37 #37AB42

triadic

#66AB37 #3766AB #AB3766

tetradic

#66AB37 #37A0AB #7C37AB #AB4237

square

#66AB37 #37A0AB #7C37AB #AB4237

split-complementary

#66AB37 #4237AB #AB37A0

monochromatic

#2F4E19 #4A7D28 #66AB37 #85C956 #A6D885

Accessibility & contrast

On white

2.82

#66AB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#66AB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AB37

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AB37	#FFFFFF	#000000	##000000
##66AB37	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19D27

Deuteranopia (green-blind)

#A89841

Tritanopia (blue-blind)

#64A593

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #66ab37;
/* rgb */ color: rgb(102, 171, 55);
/* oklch */ color: oklch(67.2% 0.164 135.1);

Tailwind

colors: {
  custom: {
    50: '#97c474',
    500: '#66ab37',
    950: '#000000',
  },
}

SCSS

$custom: #66ab37;
$custom-light: #97c474;
$custom-dark: #000000;

JSON

{
  "hex": "#66ab37",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 55
  },
  "hsl": {
    "h": 95.69,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.67152,
    "c": 0.16449,
    "h": 135.1
  },
  "luminance": 0.32226
}

Semantic roles & 50–950 ramp

primary

#66AB37

secondary

#A57CC1

accent

#4DDBA1

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AB37

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

Preview Lab → · Contrast checker → · Palette generator →