#66BE30#66BE30

#66BE30 is a light, vivid yellow-green. Relative luminance 0.399; OKLCH L 71.9% C 0.193 H 136.3°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#66BE30
RGB	rgb(102, 190, 48)
HSL	hsl(97, 60%, 47%)
HSV	hsv(97, 75%, 75%)
CMYK	cmyk(46.3%, 0%, 74.7%, 25.5%)
CIE-LAB	lab(69.37, -50.10, 59.42)
CIE-LCH	lch(69.37, 77.72, 130.13°)
OKLab	oklab(71.93% -0.1394 0.1331)
OKLCH	oklch(71.93% 0.193 136.3)
XYZ	xyz(24.4258, 39.8635, 9.2031)
Luminance	0.3987 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BE30 #8830BE

analogous

#ADBE30 #66BE30 #30BE41

triadic

#66BE30 #3066BE #BE3066

tetradic

#66BE30 #30ADBE #8830BE #BE4130

square

#66BE30 #30ADBE #8830BE #BE4130

split-complementary

#66BE30 #4130BE #BE30AD

monochromatic

#325C17 #4C8D24 #66BE30 #87D457 #AAE188

Accessibility & contrast

On white

2.34

#66BE30 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.97

#66BE30 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE30

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BE30	#FFFFFF	#000000	##000000
##66BE30	1.00	2.34	8.97	8.97
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.97	21.00	1.00	1.00
##000000	8.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE11

Deuteranopia (green-blind)

#B9A73F

Tritanopia (blue-blind)

#62B7A3

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66be30;
/* rgb */ color: rgb(102, 190, 48);
/* oklch */ color: oklch(71.9% 0.193 136.3);

Tailwind

colors: {
  custom: {
    50: '#99d272',
    500: '#66be30',
    950: '#000000',
  },
}

SCSS

$custom: #66be30;
$custom-light: #99d272;
$custom-dark: #000000;

JSON

{
  "hex": "#66be30",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 48
  },
  "hsl": {
    "h": 97.183,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.71927,
    "c": 0.19276,
    "h": 136.3
  },
  "luminance": 0.39865
}

Semantic roles & 50–950 ramp

primary

#66BE30

secondary

#AE7FCB

accent

#45E3A7

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1408

muted

#7E837B

Preview Lab

Preview with #66BE30

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

Preview Lab → · Contrast checker → · Palette generator →