#66F970#66F970

#66F970 is a very light, highly saturated green. Relative luminance 0.717; OKLCH L 87.3% C 0.219 H 144.6°. Best body text is #000000 at 15.35:1 contrast (WCAG AA passes).

Color values

HEX	#66F970
RGB	rgb(102, 249, 112)
HSL	hsl(124, 92%, 69%)
HSV	hsv(124, 59%, 98%)
CMYK	cmyk(59%, 0%, 55%, 2.4%)
CIE-LAB	lab(87.84, -65.93, 53.48)
CIE-LCH	lch(87.84, 84.89, 140.95°)
OKLab	oklab(87.31% -0.1787 0.1272)
OKLCH	oklch(87.31% 0.219 144.6)
XYZ	xyz(42.2773, 71.7420, 26.9457)
Luminance	0.7175 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F970 #F966EF

analogous

#A6F966 #66F970 #66F9BA

triadic

#66F970 #7066F9 #F97066

tetradic

#66F970 #66A6F9 #F966EF #F9BA66

square

#66F970 #66A6F9 #F966EF #F9BA66

split-complementary

#66F970 #BA66F9 #F966A6

monochromatic

#09DC17 #2BF739 #66F970 #A1FBA7 #DCFEDE

Accessibility & contrast

On white

1.37

#66F970 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.35

#66F970 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F970

15.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F970	#FFFFFF	#000000	##000000
##66F970	1.00	1.37	15.35	15.35
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.35	21.00	1.00	1.00
##000000	15.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE463

Deuteranopia (green-blind)

#EBD77A

Tritanopia (blue-blind)

#48F3DB

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f970;
/* rgb */ color: rgb(102, 249, 112);
/* oklch */ color: oklch(87.3% 0.219 144.6);

Tailwind

colors: {
  custom: {
    50: '#9ffc9c',
    500: '#66f970',
    950: '#000000',
  },
}

SCSS

$custom: #66f970;
$custom-light: #9ffc9c;
$custom-dark: #000000;

JSON

{
  "hex": "#66f970",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 112
  },
  "hsl": {
    "h": 124.082,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87308,
    "c": 0.21939,
    "h": 144.6
  },
  "luminance": 0.71746
}

Semantic roles & 50–950 ramp

primary

#66F970

secondary

#D330C8

accent

#00D6E6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66F970

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

Preview Lab → · Contrast checker → · Palette generator →