#66C735#66C735

#66C735 is a light, highly saturated yellow-green. Relative luminance 0.439; OKLCH L 74.2% C 0.201 H 137.3°. Best body text is #000000 at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#66C735
RGB	rgb(102, 199, 53)
HSL	hsl(100, 58%, 49%)
HSV	hsv(100, 73%, 78%)
CMYK	cmyk(48.7%, 0%, 73.4%, 22%)
CIE-LAB	lab(72.18, -53.26, 60.47)
CIE-LCH	lch(72.18, 80.58, 131.37°)
OKLab	oklab(74.24% -0.1476 0.136)
OKLCH	oklch(74.24% 0.201 137.3)
XYZ	xyz(26.5447, 43.9268, 10.4474)
Luminance	0.4393 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C735 #9635C7

analogous

#AFC735 #66C735 #35C74D

triadic

#66C735 #3566C7 #C73566

tetradic

#66C735 #35AFC7 #9635C7 #C74D35

square

#66C735 #35AFC7 #9635C7 #C74D35

split-complementary

#66C735 #4D35C7 #C735AF

monochromatic

#34661B #4D9728 #66C735 #8AD664 #AEE294

Accessibility & contrast

On white

2.15

#66C735 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.79

#66C735 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C735

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C735	#FFFFFF	#000000	##000000
##66C735	1.00	2.15	9.79	9.79
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.79	21.00	1.00	1.00
##000000	9.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB619

Deuteranopia (green-blind)

#C1AE44

Tritanopia (blue-blind)

#60C0AB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #66c735;
/* rgb */ color: rgb(102, 199, 53);
/* oklch */ color: oklch(74.2% 0.201 137.3);

Tailwind

colors: {
  custom: {
    50: '#9ad976',
    500: '#66c735',
    950: '#000000',
  },
}

SCSS

$custom: #66c735;
$custom-light: #9ad976;
$custom-dark: #000000;

JSON

{
  "hex": "#66c735",
  "rgb": {
    "r": 102,
    "g": 199,
    "b": 53
  },
  "hsl": {
    "h": 99.863,
    "s": 57.937,
    "l": 49.412
  },
  "oklch": {
    "l": 0.74243,
    "c": 0.20073,
    "h": 137.3
  },
  "luminance": 0.43929
}

Semantic roles & 50–950 ramp

primary

#66C735

secondary

#B78ACE

accent

#47E1AD

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #66C735

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

Preview Lab → · Contrast checker → · Palette generator →