#66B232#66B232

#66B232 is a light, vivid yellow-green. Relative luminance 0.349; OKLCH L 68.9% C 0.177 H 135.4°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#66B232
RGB	rgb(102, 178, 50)
HSL	hsl(96, 56%, 45%)
HSV	hsv(96, 72%, 70%)
CMYK	cmyk(42.7%, 0%, 71.9%, 30.2%)
CIE-LAB	lab(65.67, -45.13, 55.01)
CIE-LCH	lch(65.67, 71.16, 129.37°)
OKLab	oklab(68.89% -0.1258 0.1242)
OKLCH	oklch(68.89% 0.177 135.4)
XYZ	xyz(21.9751, 34.8946, 8.5944)
Luminance	0.3490 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B232 #7E32B2

analogous

#A6B232 #66B232 #32B23E

triadic

#66B232 #3266B2 #B23266

tetradic

#66B232 #32A6B2 #7E32B2 #B23E32

square

#66B232 #32A6B2 #7E32B2 #B23E32

split-complementary

#66B232 #3E32B2 #B232A6

monochromatic

#2F5217 #4B8225 #66B232 #85CF53 #A7DC82

Accessibility & contrast

On white

2.63

#66B232 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#66B232 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B232

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B232	#FFFFFF	#000000	##000000
##66B232	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A31C

Deuteranopia (green-blind)

#AE9D3E

Tritanopia (blue-blind)

#64AB99

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66b232;
/* rgb */ color: rgb(102, 178, 50);
/* oklch */ color: oklch(68.9% 0.177 135.4);

Tailwind

colors: {
  custom: {
    50: '#98c972',
    500: '#66b232',
    950: '#000000',
  },
}

SCSS

$custom: #66b232;
$custom-light: #98c972;
$custom-dark: #000000;

JSON

{
  "hex": "#66b232",
  "rgb": {
    "r": 102,
    "g": 178,
    "b": 50
  },
  "hsl": {
    "h": 95.625,
    "s": 56.14,
    "l": 44.706
  },
  "oklch": {
    "l": 0.68891,
    "c": 0.17682,
    "h": 135.4
  },
  "luminance": 0.34896
}

Semantic roles & 50–950 ramp

primary

#66B232

secondary

#A77BC5

accent

#48DFA2

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B232

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

Preview Lab → · Contrast checker → · Palette generator →