#66F370#66F370

#66F370 is a very light, highly saturated green. Relative luminance 0.681; OKLCH L 85.8% C 0.212 H 144.7°. Best body text is #000000 at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#66F370
RGB	rgb(102, 243, 112)
HSL	hsl(124, 85%, 68%)
HSV	hsv(124, 58%, 95%)
CMYK	cmyk(58%, 0%, 53.9%, 4.7%)
CIE-LAB	lab(86.05, -63.78, 51.34)
CIE-LCH	lch(86.05, 81.88, 141.17°)
OKLab	oklab(85.83% -0.1729 0.1226)
OKLCH	oklch(85.83% 0.212 144.7)
XYZ	xyz(40.4523, 68.0921, 26.3374)
Luminance	0.6810 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F370 #F366E9

analogous

#A3F366 #66F370 #66F3B6

triadic

#66F370 #7066F3 #F37066

tetradic

#66F370 #66A3F3 #F366E9 #F3B666

square

#66F370 #66A3F3 #F366E9 #F3B666

split-complementary

#66F370 #B666F3 #F366A3

monochromatic

#10CE1E #2DEF3B #66F370 #9FF7A5 #D7FCDA

Accessibility & contrast

On white

1.44

#66F370 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.62

#66F370 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F370

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F370	#FFFFFF	#000000	##000000
##66F370	1.00	1.44	14.62	14.62
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.62	21.00	1.00	1.00
##000000	14.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DF64

Deuteranopia (green-blind)

#E5D27A

Tritanopia (blue-blind)

#4AEDD6

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f370;
/* rgb */ color: rgb(102, 243, 112);
/* oklch */ color: oklch(85.8% 0.212 144.7);

Tailwind

colors: {
  custom: {
    50: '#9ef89c',
    500: '#66f370',
    950: '#000000',
  },
}

SCSS

$custom: #66f370;
$custom-light: #9ef89c;
$custom-dark: #000000;

JSON

{
  "hex": "#66f370",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 112
  },
  "hsl": {
    "h": 124.255,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.85831,
    "c": 0.21193,
    "h": 144.7
  },
  "luminance": 0.68096
}

Semantic roles & 50–950 ramp

primary

#66F370

secondary

#CA33C0

accent

#04D2E2

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#10170E

muted

#80857F

Preview Lab

Preview with #66F370

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

Preview Lab → · Contrast checker → · Palette generator →