#66C035#66C035

#66C035 is a light, vivid yellow-green. Relative luminance 0.408; OKLCH L 72.5% C 0.192 H 136.8°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#66C035
RGB	rgb(102, 192, 53)
HSL	hsl(99, 57%, 48%)
HSV	hsv(99, 72%, 75%)
CMYK	cmyk(46.9%, 0%, 72.4%, 24.7%)
CIE-LAB	lab(70.02, -50.55, 58.31)
CIE-LCH	lch(70.02, 77.17, 130.92°)
OKLab	oklab(72.47% -0.1403 0.1315)
OKLCH	oklch(72.47% 0.192 136.8)
XYZ	xyz(24.9710, 40.7795, 9.9229)
Luminance	0.4078 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C035 #8F35C0

analogous

#ABC035 #66C035 #35C049

triadic

#66C035 #3566C0 #C03566

tetradic

#66C035 #35ABC0 #8F35C0 #C04935

square

#66C035 #35ABC0 #8F35C0 #C04935

split-complementary

#66C035 #4935C0 #C035AB

monochromatic

#33601B #4D9028 #66C035 #88D35F #ACE08F

Accessibility & contrast

On white

2.29

#66C035 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#66C035 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C035

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C035	#FFFFFF	#000000	##000000
##66C035	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B01C

Deuteranopia (green-blind)

#BBA843

Tritanopia (blue-blind)

#61B9A5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66c035;
/* rgb */ color: rgb(102, 192, 53);
/* oklch */ color: oklch(72.5% 0.192 136.8);

Tailwind

colors: {
  custom: {
    50: '#99d475',
    500: '#66c035',
    950: '#000000',
  },
}

SCSS

$custom: #66c035;
$custom-light: #99d475;
$custom-dark: #000000;

JSON

{
  "hex": "#66c035",
  "rgb": {
    "r": 102,
    "g": 192,
    "b": 53
  },
  "hsl": {
    "h": 98.849,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.7247,
    "c": 0.19229,
    "h": 136.8
  },
  "luminance": 0.40781
}

Semantic roles & 50–950 ramp

primary

#66C035

secondary

#B386CB

accent

#48E0AA

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66C035

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

Preview Lab → · Contrast checker → · Palette generator →