#66F38D#66F38D

#66F38D is a very light, vivid green. Relative luminance 0.688; OKLCH L 86.3% C 0.187 H 149.8°. Best body text is #000000 at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#66F38D
RGB	rgb(102, 243, 141)
HSL	hsl(137, 85%, 68%)
HSV	hsv(137, 58%, 95%)
CMYK	cmyk(58%, 0%, 42%, 4.7%)
CIE-LAB	lab(86.43, -59.65, 37.98)
CIE-LCH	lch(86.43, 70.72, 147.51°)
OKLab	oklab(86.26% -0.1613 0.0938)
OKLCH	oklch(86.26% 0.187 149.8)
XYZ	xyz(42.3347, 68.8451, 36.2516)
Luminance	0.6885 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F38D #F366CC

analogous

#85F366 #66F38D #66F3D4

triadic

#66F38D #8D66F3 #F38D66

tetradic

#66F38D #6685F3 #F366CC #F3D466

square

#66F38D #6685F3 #F366CC #F3D466

split-complementary

#66F38D #D466F3 #F36685

monochromatic

#10CE45 #2DEF63 #66F38D #9FF7B7 #D7FCE2

Accessibility & contrast

On white

1.42

#66F38D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.77

#66F38D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F38D

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F38D	#FFFFFF	#000000	##000000
##66F38D	1.00	1.42	14.77	14.77
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.77	21.00	1.00	1.00
##000000	14.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5E086

Deuteranopia (green-blind)

#E2D394

Tritanopia (blue-blind)

#3FEFDA

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66f38d;
/* rgb */ color: rgb(102, 243, 141);
/* oklch */ color: oklch(86.3% 0.187 149.8);

Tailwind

colors: {
  custom: {
    50: '#9df8af',
    500: '#66f38d',
    950: '#000000',
  },
}

SCSS

$custom: #66f38d;
$custom-light: #9df8af;
$custom-dark: #000000;

JSON

{
  "hex": "#66f38d",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 141
  },
  "hsl": {
    "h": 136.596,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.86262,
    "c": 0.1866,
    "h": 149.8
  },
  "luminance": 0.68849
}

Semantic roles & 50–950 ramp

primary

#66F38D

secondary

#CA33A0

accent

#04A4E2

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66F38D

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

Preview Lab → · Contrast checker → · Palette generator →