#66D93B#66D93B

#66D93B is a light, highly saturated green. Relative luminance 0.528; OKLCH L 78.8% C 0.218 H 138.7°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#66D93B
RGB	rgb(102, 217, 59)
HSL	hsl(104, 68%, 54%)
HSV	hsv(104, 73%, 85%)
CMYK	cmyk(53%, 0%, 72.8%, 14.9%)
CIE-LAB	lab(77.74, -59.56, 63.94)
CIE-LCH	lch(77.74, 87.38, 132.97°)
OKLab	oklab(78.83% -0.1642 0.1441)
OKLCH	oklch(78.83% 0.218 138.7)
XYZ	xyz(31.0806, 52.7638, 12.6834)
Luminance	0.5277 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D93B #AE3BD9

analogous

#B5D93B #66D93B #3BD95F

triadic

#66D93B #3B66D9 #D93B66

tetradic

#66D93B #3BB5D9 #AE3BD9 #D95F3B

square

#66D93B #3BB5D9 #AE3BD9 #D95F3B

split-complementary

#66D93B #5F3BD9 #D93BB5

monochromatic

#358119 #4AB423 #66D93B #8EE36E #B6EDA2

Accessibility & contrast

On white

1.82

#66D93B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#66D93B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D93B

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D93B	#FFFFFF	#000000	##000000
##66D93B	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC61D

Deuteranopia (green-blind)

#D1BD4B

Tritanopia (blue-blind)

#5BD2BA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d93b;
/* rgb */ color: rgb(102, 217, 59);
/* oklch */ color: oklch(78.8% 0.218 138.7);

Tailwind

colors: {
  custom: {
    50: '#9ce67b',
    500: '#66d93b',
    950: '#000000',
  },
}

SCSS

$custom: #66d93b;
$custom-light: #9ce67b;
$custom-dark: #000000;

JSON

{
  "hex": "#66d93b",
  "rgb": {
    "r": 102,
    "g": 217,
    "b": 59
  },
  "hsl": {
    "h": 103.671,
    "s": 67.521,
    "l": 54.118
  },
  "oklch": {
    "l": 0.78829,
    "c": 0.21848,
    "h": 138.7
  },
  "luminance": 0.52766
}

Semantic roles & 50–950 ramp

primary

#66D93B

secondary

#703188

accent

#3DEABB

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66D93B

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

Preview Lab → · Contrast checker → · Palette generator →