#66B334#66B334

#66B334 is a light, vivid yellow-green. Relative luminance 0.353; OKLCH L 69.2% C 0.177 H 135.6°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#66B334
RGB	rgb(102, 179, 52)
HSL	hsl(96, 55%, 45%)
HSV	hsv(96, 71%, 70%)
CMYK	cmyk(43%, 0%, 70.9%, 29.8%)
CIE-LAB	lab(65.99, -45.40, 54.59)
CIE-LCH	lch(65.99, 71.00, 129.75°)
OKLab	oklab(69.16% -0.1264 0.1236)
OKLCH	oklch(69.16% 0.177 135.6)
XYZ	xyz(22.2189, 35.3116, 8.8932)
Luminance	0.3531 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B334 #8134B3

analogous

#A5B334 #66B334 #34B342

triadic

#66B334 #3466B3 #B33466

tetradic

#66B334 #34A5B3 #8134B3 #B34234

square

#66B334 #34A5B3 #8134B3 #B34234

split-complementary

#66B334 #4234B3 #B334A5

monochromatic

#305418 #4B8426 #66B334 #85CE56 #A8DC86

Accessibility & contrast

On white

2.60

#66B334 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#66B334 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B334

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B334	#FFFFFF	#000000	##000000
##66B334	1.00	2.60	8.06	8.06
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A41F

Deuteranopia (green-blind)

#AF9E40

Tritanopia (blue-blind)

#63AC9A

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #66b334;
/* rgb */ color: rgb(102, 179, 52);
/* oklch */ color: oklch(69.2% 0.177 135.6);

Tailwind

colors: {
  custom: {
    50: '#98ca73',
    500: '#66b334',
    950: '#000000',
  },
}

SCSS

$custom: #66b334;
$custom-light: #98ca73;
$custom-dark: #000000;

JSON

{
  "hex": "#66b334",
  "rgb": {
    "r": 102,
    "g": 179,
    "b": 52
  },
  "hsl": {
    "h": 96.378,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.6916,
    "c": 0.1768,
    "h": 135.6
  },
  "luminance": 0.35313
}

Semantic roles & 50–950 ramp

primary

#66B334

secondary

#A97DC5

accent

#49DEA4

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B334

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

Preview Lab → · Contrast checker → · Palette generator →