#66AA34#66AA34

#66AA34 is a light, vivid yellow-green. Relative luminance 0.318; OKLCH L 66.9% C 0.165 H 134.7°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#66AA34
RGB	rgb(102, 170, 52)
HSL	hsl(95, 53%, 44%)
HSV	hsv(95, 69%, 67%)
CMYK	cmyk(40%, 0%, 69.4%, 33.3%)
CIE-LAB	lab(63.19, -41.63, 51.70)
CIE-LCH	lch(63.19, 66.38, 128.84°)
OKLab	oklab(66.87% -0.1162 0.1176)
OKLCH	oklch(66.87% 0.165 134.7)
XYZ	xyz(20.4736, 31.8211, 8.3115)
Luminance	0.3182 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AA34 #7834AA

analogous

#A1AA34 #66AA34 #34AA3D

triadic

#66AA34 #3466AA #AA3466

tetradic

#66AA34 #34A1AA #7834AA #AA3D34

square

#66AA34 #34A1AA #7834AA #AA3D34

split-complementary

#66AA34 #3D34AA #AA34A1

monochromatic

#2E4C17 #4A7B26 #66AA34 #84CA51 #A5D880

Accessibility & contrast

On white

2.85

#66AA34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#66AA34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AA34

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AA34	#FFFFFF	#000000	##000000
##66AA34	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C22

Deuteranopia (green-blind)

#A7973F

Tritanopia (blue-blind)

#65A492

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #66aa34;
/* rgb */ color: rgb(102, 170, 52);
/* oklch */ color: oklch(66.9% 0.165 134.7);

Tailwind

colors: {
  custom: {
    50: '#97c472',
    500: '#66aa34',
    950: '#000000',
  },
}

SCSS

$custom: #66aa34;
$custom-light: #97c472;
$custom-dark: #000000;

JSON

{
  "hex": "#66aa34",
  "rgb": {
    "r": 102,
    "g": 170,
    "b": 52
  },
  "hsl": {
    "h": 94.576,
    "s": 53.153,
    "l": 43.529
  },
  "oklch": {
    "l": 0.66872,
    "c": 0.1653,
    "h": 134.7
  },
  "luminance": 0.31822
}

Semantic roles & 50–950 ramp

primary

#66AA34

secondary

#A278C1

accent

#4BDD9F

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66AA34

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

Preview Lab → · Contrast checker → · Palette generator →