#66A433#66A433

#66A433 is a light, vivid yellow-green. Relative luminance 0.296; OKLCH L 65.3% C 0.158 H 133.8°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#66A433
RGB	rgb(102, 164, 51)
HSL	hsl(93, 53%, 42%)
HSV	hsv(93, 69%, 64%)
CMYK	cmyk(37.8%, 0%, 68.9%, 35.7%)
CIE-LAB	lab(61.32, -39.13, 50.15)
CIE-LCH	lch(61.32, 63.61, 127.96°)
OKLab	oklab(65.34% -0.1095 0.1142)
OKLCH	oklch(65.34% 0.158 133.8)
XYZ	xyz(19.3521, 29.6138, 7.8277)
Luminance	0.2962 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A433 #7133A4

analogous

#9FA433 #66A433 #33A438

triadic

#66A433 #3366A4 #A43366

tetradic

#66A433 #339FA4 #7133A4 #A43833

square

#66A433 #339FA4 #7133A4 #A43833

split-complementary

#66A433 #3833A4 #A4339F

monochromatic

#2C4716 #497524 #66A433 #84C84D #A4D67B

Accessibility & contrast

On white

3.03

#66A433 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#66A433 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A433

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A433	#FFFFFF	#000000	##000000
##66A433	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9723

Deuteranopia (green-blind)

#A2923D

Tritanopia (blue-blind)

#669E8D

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #66a433;
/* rgb */ color: rgb(102, 164, 51);
/* oklch */ color: oklch(65.3% 0.158 133.8);

Tailwind

colors: {
  custom: {
    50: '#96bf71',
    500: '#66a433',
    950: '#000000',
  },
}

SCSS

$custom: #66a433;
$custom-light: #96bf71;
$custom-dark: #000000;

JSON

{
  "hex": "#66a433",
  "rgb": {
    "r": 102,
    "g": 164,
    "b": 51
  },
  "hsl": {
    "h": 92.92,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.65337,
    "c": 0.15817,
    "h": 133.8
  },
  "luminance": 0.29615
}

Semantic roles & 50–950 ramp

primary

#66A433

secondary

#9D74BF

accent

#4CDC9B

background

#F9FBF7

surface

#F2F7ED

border

#CCD0C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66A433

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

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