#66BE2F#66BE2F

#66BE2F is a light, vivid yellow-green. Relative luminance 0.399; OKLCH L 71.9% C 0.193 H 136.2°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#66BE2F
RGB	rgb(102, 190, 47)
HSL	hsl(97, 60%, 46%)
HSV	hsv(97, 75%, 75%)
CMYK	cmyk(46.3%, 0%, 75.3%, 25.5%)
CIE-LAB	lab(69.37, -50.16, 59.75)
CIE-LCH	lch(69.37, 78.02, 130.01°)
OKLab	oklab(71.92% -0.1396 0.1337)
OKLCH	oklch(71.92% 0.193 136.2)
XYZ	xyz(24.4054, 39.8554, 9.0956)
Luminance	0.3986 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BE2F #872FBE

analogous

#AEBE2F #66BE2F #2FBE3F

triadic

#66BE2F #2F66BE #BE2F66

tetradic

#66BE2F #2FAEBE #872FBE #BE3F2F

square

#66BE2F #2FAEBE #872FBE #BE3F2F

split-complementary

#66BE2F #3F2FBE #BE2FAE

monochromatic

#315C17 #4C8D23 #66BE2F #86D555 #A9E186

Accessibility & contrast

On white

2.34

#66BE2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.97

#66BE2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE2F

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BE2F	#FFFFFF	#000000	##000000
##66BE2F	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)

#C5AE0F

Deuteranopia (green-blind)

#B9A73E

Tritanopia (blue-blind)

#62B7A3

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66be2f;
/* rgb */ color: rgb(102, 190, 47);
/* oklch */ color: oklch(71.9% 0.193 136.2);

Tailwind

colors: {
  custom: {
    50: '#99d272',
    500: '#66be2f',
    950: '#000000',
  },
}

SCSS

$custom: #66be2f;
$custom-light: #99d272;
$custom-dark: #000000;

JSON

{
  "hex": "#66be2f",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 47
  },
  "hsl": {
    "h": 96.923,
    "s": 60.338,
    "l": 46.471
  },
  "oklch": {
    "l": 0.7192,
    "c": 0.19331,
    "h": 136.2
  },
  "luminance": 0.39857
}

Semantic roles & 50–950 ramp

primary

#66BE2F

secondary

#AD7ECB

accent

#44E3A6

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1408

muted

#7E837B

Preview Lab

Preview with #66BE2F

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

Preview Lab → · Contrast checker → · Palette generator →