#66AA30#66AA30

#66AA30 is a light, vivid yellow-green. Relative luminance 0.318; OKLCH L 66.8% C 0.168 H 134.3°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#66AA30
RGB	rgb(102, 170, 48)
HSL	hsl(93, 56%, 43%)
HSV	hsv(93, 72%, 67%)
CMYK	cmyk(40%, 0%, 71.8%, 33.3%)
CIE-LAB	lab(63.17, -41.93, 53.23)
CIE-LCH	lch(63.17, 67.76, 128.23°)
OKLab	oklab(66.84% -0.1173 0.1202)
OKLCH	oklch(66.84% 0.168 134.3)
XYZ	xyz(20.3873, 31.7866, 7.8569)
Luminance	0.3179 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AA30 #7430AA

analogous

#A3AA30 #66AA30 #30AA37

triadic

#66AA30 #3066AA #AA3066

tetradic

#66AA30 #30A3AA #7430AA #AA3730

square

#66AA30 #30A3AA #7430AA #AA3730

split-complementary

#66AA30 #3730AA #AA30A3

monochromatic

#2D4B15 #497A23 #66AA30 #84CC4B #A5DA7B

Accessibility & contrast

On white

2.85

#66AA30 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#66AA30 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AA30

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AA30	#FFFFFF	#000000	##000000
##66AA30	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)

#B19C1B

Deuteranopia (green-blind)

#A7973B

Tritanopia (blue-blind)

#65A392

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #66aa30;
/* rgb */ color: rgb(102, 170, 48);
/* oklch */ color: oklch(66.8% 0.168 134.3);

Tailwind

colors: {
  custom: {
    50: '#97c470',
    500: '#66aa30',
    950: '#000000',
  },
}

SCSS

$custom: #66aa30;
$custom-light: #97c470;
$custom-dark: #000000;

JSON

{
  "hex": "#66aa30",
  "rgb": {
    "r": 102,
    "g": 170,
    "b": 48
  },
  "hsl": {
    "h": 93.443,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.66839,
    "c": 0.16796,
    "h": 134.3
  },
  "luminance": 0.31788
}

Semantic roles & 50–950 ramp

primary

#66AA30

secondary

#9F74C2

accent

#49DF9D

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66AA30

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

Preview Lab → · Contrast checker → · Palette generator →