#66D970#66D970

#66D970 is a light, vivid green. Relative luminance 0.536; OKLCH L 79.4% C 0.178 H 145.3°. Best body text is #000000 at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#66D970
RGB	rgb(102, 217, 112)
HSL	hsl(125, 60%, 63%)
HSV	hsv(125, 53%, 85%)
CMYK	cmyk(53%, 0%, 48.4%, 14.9%)
CIE-LAB	lab(78.24, -54.02, 41.79)
CIE-LCH	lch(78.24, 68.30, 142.27°)
OKLab	oklab(79.41% -0.1465 0.1014)
OKLCH	oklch(79.41% 0.178 145.3)
XYZ	xyz(33.2151, 53.6176, 23.9250)
Luminance	0.5362 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D970 #D966CF

analogous

#96D966 #66D970 #66D9A9

triadic

#66D970 #7066D9 #D97066

tetradic

#66D970 #6696D9 #D966CF #D9A966

square

#66D970 #6696D9 #D966CF #D9A966

split-complementary

#66D970 #A966D9 #D96696

monochromatic

#279D31 #35CD42 #66D970 #97E59E #C8F1CC

Accessibility & contrast

On white

1.79

#66D970 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.72

#66D970 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D970

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D970	#FFFFFF	#000000	##000000
##66D970	1.00	1.79	11.72	11.72
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.72	21.00	1.00	1.00
##000000	11.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC867

Deuteranopia (green-blind)

#CDBD77

Tritanopia (blue-blind)

#52D4C0

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66d970;
/* rgb */ color: rgb(102, 217, 112);
/* oklch */ color: oklch(79.4% 0.178 145.3);

Tailwind

colors: {
  custom: {
    50: '#9ae59b',
    500: '#66d970',
    950: '#000000',
  },
}

SCSS

$custom: #66d970;
$custom-light: #9ae59b;
$custom-dark: #000000;

JSON

{
  "hex": "#66d970",
  "rgb": {
    "r": 102,
    "g": 217,
    "b": 112
  },
  "hsl": {
    "h": 125.217,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.79405,
    "c": 0.17817,
    "h": 145.3
  },
  "luminance": 0.5362
}

Semantic roles & 50–950 ramp

primary

#66D970

secondary

#A14299

accent

#1EB9C8

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0F160E

muted

#80847F

Preview Lab

Preview with #66D970

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

Preview Lab → · Contrast checker → · Palette generator →