#66D954#66D954

#66D954 is a light, highly saturated green. Relative luminance 0.531; OKLCH L 79.0% C 0.202 H 141.1°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#66D954
RGB	rgb(102, 217, 84)
HSL	hsl(112, 64%, 59%)
HSV	hsv(112, 61%, 85%)
CMYK	cmyk(53%, 0%, 61.3%, 14.9%)
CIE-LAB	lab(77.93, -57.42, 54.35)
CIE-LCH	lch(77.93, 79.06, 136.57°)
OKLab	oklab(79.05% -0.1569 0.1268)
OKLCH	oklch(79.05% 0.202 141.1)
XYZ	xyz(31.8911, 53.0880, 16.9523)
Luminance	0.5309 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D954 #C754D9

analogous

#A9D954 #66D954 #54D985

triadic

#66D954 #5466D9 #D95466

tetradic

#66D954 #54A9D9 #C754D9 #D98554

square

#66D954 #54A9D9 #C754D9 #D98554

split-complementary

#66D954 #8554D9 #D954A9

monochromatic

#309220 #40C42C #66D954 #93E486 #C0EFB8

Accessibility & contrast

On white

1.81

#66D954 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.62

#66D954 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D954

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D954	#FFFFFF	#000000	##000000
##66D954	1.00	1.81	11.62	11.62
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.62	21.00	1.00	1.00
##000000	11.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC745

Deuteranopia (green-blind)

#CFBD5F

Tritanopia (blue-blind)

#58D3BD

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66d954;
/* rgb */ color: rgb(102, 217, 84);
/* oklch */ color: oklch(79.0% 0.202 141.1);

Tailwind

colors: {
  custom: {
    50: '#9be689',
    500: '#66d954',
    950: '#000000',
  },
}

SCSS

$custom: #66d954;
$custom-light: #9be689;
$custom-dark: #000000;

JSON

{
  "hex": "#66d954",
  "rgb": {
    "r": 102,
    "g": 217,
    "b": 84
  },
  "hsl": {
    "h": 111.88,
    "s": 63.636,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79048,
    "c": 0.20178,
    "h": 141.1
  },
  "luminance": 0.53091
}

Semantic roles & 50–950 ramp

primary

#66D954

secondary

#8B3A97

accent

#41E7D0

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160C

muted

#80847F

Preview Lab

Preview with #66D954

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

Preview Lab → · Contrast checker → · Palette generator →