#66D233#66D233

#66D233 is a light, highly saturated green. Relative luminance 0.492; OKLCH L 77.0% C 0.215 H 137.9°. Best body text is #000000 at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#66D233
RGB	rgb(102, 210, 51)
HSL	hsl(101, 64%, 51%)
HSV	hsv(101, 76%, 82%)
CMYK	cmyk(51.4%, 0%, 75.7%, 17.6%)
CIE-LAB	lab(75.55, -57.52, 64.45)
CIE-LCH	lch(75.55, 86.39, 131.75°)
OKLab	oklab(77.01% -0.1592 0.1441)
OKLCH	oklch(77.01% 0.215 137.9)
XYZ	xyz(29.1226, 49.1548, 11.0845)
Luminance	0.4916 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D233 #9F33D2

analogous

#B5D233 #66D233 #33D24F

triadic

#66D233 #3366D2 #D23366

tetradic

#66D233 #33B5D2 #9F33D2 #D24F33

square

#66D233 #33B5D2 #9F33D2 #D24F33

split-complementary

#66D233 #4F33D2 #D233B5

monochromatic

#357219 #4DA424 #66D233 #8CDD65 #B1E897

Accessibility & contrast

On white

1.94

#66D233 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.83

#66D233 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D233

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D233	#FFFFFF	#000000	##000000
##66D233	1.00	1.94	10.83	10.83
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.83	21.00	1.00	1.00
##000000	10.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C00B

Deuteranopia (green-blind)

#CBB744

Tritanopia (blue-blind)

#5ECBB4

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #66d233;
/* rgb */ color: rgb(102, 210, 51);
/* oklch */ color: oklch(77.0% 0.215 137.9);

Tailwind

colors: {
  custom: {
    50: '#9ce176',
    500: '#66d233',
    950: '#000000',
  },
}

SCSS

$custom: #66d233;
$custom-light: #9ce176;
$custom-dark: #000000;

JSON

{
  "hex": "#66d233",
  "rgb": {
    "r": 102,
    "g": 210,
    "b": 51
  },
  "hsl": {
    "h": 100.755,
    "s": 63.855,
    "l": 51.176
  },
  "oklch": {
    "l": 0.77012,
    "c": 0.21473,
    "h": 137.9
  },
  "luminance": 0.49157
}

Semantic roles & 50–950 ramp

primary

#66D233

secondary

#BD8DD4

accent

#41E7B2

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #66D233

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

Preview Lab → · Contrast checker → · Palette generator →