#66BB30#66BB30

#66BB30 is a light, vivid yellow-green. Relative luminance 0.386; OKLCH L 71.2% C 0.189 H 136.1°. Best body text is #000000 at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#66BB30
RGB	rgb(102, 187, 48)
HSL	hsl(97, 59%, 46%)
HSV	hsv(97, 74%, 73%)
CMYK	cmyk(45.5%, 0%, 74.3%, 26.7%)
CIE-LAB	lab(68.44, -48.91, 58.51)
CIE-LCH	lch(68.44, 76.26, 129.89°)
OKLab	oklab(71.16% -0.1362 0.1312)
OKLCH	oklch(71.16% 0.189 136.1)
XYZ	xyz(23.7827, 38.5773, 8.9887)
Luminance	0.3858 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BB30 #8530BB

analogous

#ABBB30 #66BB30 #30BB40

triadic

#66BB30 #3066BB #BB3066

tetradic

#66BB30 #30ABBB #8530BB #BB4030

square

#66BB30 #30ABBB #8530BB #BB4030

split-complementary

#66BB30 #4030BB #BB30AB

monochromatic

#315A17 #4B8A23 #66BB30 #86D355 #A9E086

Accessibility & contrast

On white

2.41

#66BB30 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.72

#66BB30 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BB30

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BB30	#FFFFFF	#000000	##000000
##66BB30	1.00	2.41	8.72	8.72
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.72	21.00	1.00	1.00
##000000	8.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB13

Deuteranopia (green-blind)

#B6A43E

Tritanopia (blue-blind)

#62B4A0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66bb30;
/* rgb */ color: rgb(102, 187, 48);
/* oklch */ color: oklch(71.2% 0.189 136.1);

Tailwind

colors: {
  custom: {
    50: '#99d072',
    500: '#66bb30',
    950: '#000000',
  },
}

SCSS

$custom: #66bb30;
$custom-light: #99d072;
$custom-dark: #000000;

JSON

{
  "hex": "#66bb30",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 48
  },
  "hsl": {
    "h": 96.691,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.71164,
    "c": 0.18913,
    "h": 136.1
  },
  "luminance": 0.38579
}

Semantic roles & 50–950 ramp

primary

#66BB30

secondary

#AC7DC9

accent

#45E2A5

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0F1408

muted

#7E827B

Preview Lab

Preview with #66BB30

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

Preview Lab → · Contrast checker → · Palette generator →