#66D435#66D435

#66D435 is a light, highly saturated green. Relative luminance 0.502; OKLCH L 77.5% C 0.216 H 138.1°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#66D435
RGB	rgb(102, 212, 53)
HSL	hsl(102, 65%, 52%)
HSV	hsv(102, 75%, 83%)
CMYK	cmyk(51.9%, 0%, 75%, 16.9%)
CIE-LAB	lab(76.17, -58.13, 64.41)
CIE-LCH	lch(76.17, 86.77, 132.07°)
OKLab	oklab(77.53% -0.1607 0.1443)
OKLCH	oklch(77.53% 0.216 138.1)
XYZ	xyz(29.6645, 50.1665, 11.4874)
Luminance	0.5017 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D435 #A335D4

analogous

#B6D435 #66D435 #35D453

triadic

#66D435 #3566D4 #D43566

tetradic

#66D435 #35B6D4 #A335D4 #D45335

square

#66D435 #35B6D4 #A335D4 #D45335

split-complementary

#66D435 #5335D4 #D435B6

monochromatic

#367619 #4DA824 #66D435 #8CDF67 #B2E99A

Accessibility & contrast

On white

1.90

#66D435 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.03

#66D435 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D435

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D435	#FFFFFF	#000000	##000000
##66D435	1.00	1.90	11.03	11.03
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.03	21.00	1.00	1.00
##000000	11.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC210

Deuteranopia (green-blind)

#CDB846

Tritanopia (blue-blind)

#5DCDB6

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #66d435;
/* rgb */ color: rgb(102, 212, 53);
/* oklch */ color: oklch(77.5% 0.216 138.1);

Tailwind

colors: {
  custom: {
    50: '#9ce277',
    500: '#66d435',
    950: '#000000',
  },
}

SCSS

$custom: #66d435;
$custom-light: #9ce277;
$custom-dark: #000000;

JSON

{
  "hex": "#66d435",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 53
  },
  "hsl": {
    "h": 101.509,
    "s": 64.898,
    "l": 51.961
  },
  "oklch": {
    "l": 0.77529,
    "c": 0.21598,
    "h": 138.1
  },
  "luminance": 0.50169
}

Semantic roles & 50–950 ramp

primary

#66D435

secondary

#662F7E

accent

#40E8B4

background

#FCFEFB

surface

#F6FCF1

border

#D0D5CB

text

#0F1509

muted

#80847D

Preview Lab

Preview with #66D435

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

Preview Lab → · Contrast checker → · Palette generator →