#66E75B#66E75B

#66E75B is a very light, highly saturated green. Relative luminance 0.607; OKLCH L 82.6% C 0.214 H 142.1°. Best body text is #000000 at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#66E75B
RGB	rgb(102, 231, 91)
HSL	hsl(115, 74%, 63%)
HSV	hsv(115, 61%, 91%)
CMYK	cmyk(55.8%, 0%, 60.6%, 9.4%)
CIE-LAB	lab(82.23, -61.85, 56.20)
CIE-LCH	lch(82.23, 83.57, 137.74°)
OKLab	oklab(82.62% -0.1686 0.1314)
OKLCH	oklch(82.62% 0.214 142.1)
XYZ	xyz(35.9419, 60.7288, 19.7233)
Luminance	0.6073 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E75B #DC5BE7

analogous

#ACE75B #66E75B #5BE796

triadic

#66E75B #5B66E7 #E75B66

tetradic

#66E75B #5BACE7 #DC5BE7 #E7965B

square

#66E75B #5BACE7 #DC5BE7 #E7965B

split-complementary

#66E75B #965BE7 #E75BAC

monochromatic

#25AE19 #34DF26 #66E75B #98EF90 #CAF7C6

Accessibility & contrast

On white

1.60

#66E75B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.15

#66E75B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E75B

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E75B	#FFFFFF	#000000	##000000
##66E75B	1.00	1.60	13.15	13.15
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.15	21.00	1.00	1.00
##000000	13.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD34B

Deuteranopia (green-blind)

#DCC866

Tritanopia (blue-blind)

#53E0C9

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66e75b;
/* rgb */ color: rgb(102, 231, 91);
/* oklch */ color: oklch(82.6% 0.214 142.1);

Tailwind

colors: {
  custom: {
    50: '#9df08e',
    500: '#66e75b',
    950: '#000000',
  },
}

SCSS

$custom: #66e75b;
$custom-light: #9df08e;
$custom-dark: #000000;

JSON

{
  "hex": "#66e75b",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 91
  },
  "hsl": {
    "h": 115.286,
    "s": 74.468,
    "l": 63.137
  },
  "oklch": {
    "l": 0.82615,
    "c": 0.21377,
    "h": 142.1
  },
  "luminance": 0.60732
}

Semantic roles & 50–950 ramp

primary

#66E75B

secondary

#A637AF

accent

#0FD7C7

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #66E75B

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

Preview Lab → · Contrast checker → · Palette generator →