#66AB33#66AB33

#66AB33 is a light, vivid yellow-green. Relative luminance 0.322; OKLCH L 67.1% C 0.167 H 134.7°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#66AB33
RGB	rgb(102, 171, 51)
HSL	hsl(95, 54%, 44%)
HSV	hsv(95, 70%, 67%)
CMYK	cmyk(40.4%, 0%, 70.2%, 32.9%)
CIE-LAB	lab(63.50, -42.13, 52.41)
CIE-LCH	lch(63.50, 67.25, 128.80°)
OKLab	oklab(67.12% -0.1176 0.1189)
OKLCH	oklch(67.12% 0.167 134.7)
XYZ	xyz(20.6395, 32.1886, 8.2568)
Luminance	0.3219 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AB33 #7833AB

analogous

#A2AB33 #66AB33 #33AB3C

triadic

#66AB33 #3366AB #AB3366

tetradic

#66AB33 #33A2AB #7833AB #AB3C33

square

#66AB33 #33A2AB #7833AB #AB3C33

split-complementary

#66AB33 #3C33AB #AB33A2

monochromatic

#2E4D17 #4A7C25 #66AB33 #84CB50 #A5D97F

Accessibility & contrast

On white

2.82

#66AB33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#66AB33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AB33

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AB33	#FFFFFF	#000000	##000000
##66AB33	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19D20

Deuteranopia (green-blind)

#A8983E

Tritanopia (blue-blind)

#65A493

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #66ab33;
/* rgb */ color: rgb(102, 171, 51);
/* oklch */ color: oklch(67.1% 0.167 134.7);

Tailwind

colors: {
  custom: {
    50: '#97c472',
    500: '#66ab33',
    950: '#000000',
  },
}

SCSS

$custom: #66ab33;
$custom-light: #97c472;
$custom-dark: #000000;

JSON

{
  "hex": "#66ab33",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 51
  },
  "hsl": {
    "h": 94.5,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.67118,
    "c": 0.16726,
    "h": 134.7
  },
  "luminance": 0.3219
}

Semantic roles & 50–950 ramp

primary

#66AB33

secondary

#A278C2

accent

#4ADD9F

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66AB33

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

Preview Lab → · Contrast checker → · Palette generator →