#66EA5F#66EA5F

#66EA5F is a very light, highly saturated green. Relative luminance 0.625; OKLCH L 83.4% C 0.214 H 142.5°. Best body text is #000000 at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#66EA5F
RGB	rgb(102, 234, 95)
HSL	hsl(117, 77%, 65%)
HSV	hsv(117, 59%, 92%)
CMYK	cmyk(56.4%, 0%, 59.4%, 8.2%)
CIE-LAB	lab(83.18, -62.51, 55.55)
CIE-LCH	lch(83.18, 83.63, 138.37°)
OKLab	oklab(83.4% -0.1702 0.1304)
OKLCH	oklch(83.4% 0.214 142.5)
XYZ	xyz(36.9659, 62.4934, 20.9387)
Luminance	0.6250 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA5F #E35FEA

analogous

#ACEA5F #66EA5F #5FEA9D

triadic

#66EA5F #5F66EA #EA5F66

tetradic

#66EA5F #5FACEA #E35FEA #EA9D5F

square

#66EA5F #5FACEA #E35FEA #EA9D5F

split-complementary

#66EA5F #9D5FEA #EA5FAC

monochromatic

#20B718 #32E329 #66EA5F #9AF195 #CDF8CB

Accessibility & contrast

On white

1.56

#66EA5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.50

#66EA5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA5F

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA5F	#FFFFFF	#000000	##000000
##66EA5F	1.00	1.56	13.50	13.50
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.50	21.00	1.00	1.00
##000000	13.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD650

Deuteranopia (green-blind)

#DECB6A

Tritanopia (blue-blind)

#51E4CC

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #66ea5f;
/* rgb */ color: rgb(102, 234, 95);
/* oklch */ color: oklch(83.4% 0.214 142.5);

Tailwind

colors: {
  custom: {
    50: '#9df291',
    500: '#66ea5f',
    950: '#000000',
  },
}

SCSS

$custom: #66ea5f;
$custom-light: #9df291;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea5f",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 95
  },
  "hsl": {
    "h": 116.978,
    "s": 76.796,
    "l": 64.51
  },
  "oklch": {
    "l": 0.83404,
    "c": 0.2144,
    "h": 142.5
  },
  "luminance": 0.62497
}

Semantic roles & 50–950 ramp

primary

#66EA5F

secondary

#B037B6

accent

#0CD9CF

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #66EA5F

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

Preview Lab → · Contrast checker → · Palette generator →