#66C835#66C835

#66C835 is a light, highly saturated green. Relative luminance 0.444; OKLCH L 74.5% C 0.202 H 137.4°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#66C835
RGB	rgb(102, 200, 53)
HSL	hsl(100, 58%, 50%)
HSV	hsv(100, 74%, 78%)
CMYK	cmyk(49%, 0%, 73.5%, 21.6%)
CIE-LAB	lab(72.49, -53.64, 60.78)
CIE-LCH	lch(72.49, 81.06, 131.43°)
OKLab	oklab(74.5% -0.1486 0.1367)
OKLCH	oklch(74.5% 0.202 137.4)
XYZ	xyz(26.7755, 44.3885, 10.5244)
Luminance	0.4439 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C835 #9735C8

analogous

#B0C835 #66C835 #35C84E

triadic

#66C835 #3566C8 #C83566

tetradic

#66C835 #35B0C8 #9735C8 #C84E35

square

#66C835 #35B0C8 #9735C8 #C84E35

split-complementary

#66C835 #4E35C8 #C835B0

monochromatic

#35671B #4D9828 #66C835 #8AD664 #AFE395

Accessibility & contrast

On white

2.13

#66C835 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#66C835 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C835

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C835	#FFFFFF	#000000	##000000
##66C835	1.00	2.13	9.88	9.88
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB718

Deuteranopia (green-blind)

#C2AF44

Tritanopia (blue-blind)

#60C1AC

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #66c835;
/* rgb */ color: rgb(102, 200, 53);
/* oklch */ color: oklch(74.5% 0.202 137.4);

Tailwind

colors: {
  custom: {
    50: '#9ad976',
    500: '#66c835',
    950: '#000000',
  },
}

SCSS

$custom: #66c835;
$custom-light: #9ad976;
$custom-dark: #000000;

JSON

{
  "hex": "#66c835",
  "rgb": {
    "r": 102,
    "g": 200,
    "b": 53
  },
  "hsl": {
    "h": 100,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.74497,
    "c": 0.20192,
    "h": 137.4
  },
  "luminance": 0.4439
}

Semantic roles & 50–950 ramp

primary

#66C835

secondary

#B88BCE

accent

#46E1AE

background

#FAFDF7

surface

#F3FBED

border

#CDD4C8

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #66C835

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

Preview Lab → · Contrast checker → · Palette generator →