#66D44F#66D44F

#66D44F is a light, vivid green. Relative luminance 0.505; OKLCH L 77.7% C 0.199 H 140.4°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#66D44F
RGB	rgb(102, 212, 79)
HSL	hsl(110, 61%, 57%)
HSV	hsv(110, 63%, 83%)
CMYK	cmyk(51.9%, 0%, 62.7%, 16.9%)
CIE-LAB	lab(76.36, -56.04, 54.73)
CIE-LCH	lch(76.36, 78.33, 135.67°)
OKLab	oklab(77.74% -0.1535 0.1271)
OKLCH	oklch(77.74% 0.199 140.4)
XYZ	xyz(30.4329, 50.4739, 15.5344)
Luminance	0.5048 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D44F #BD4FD4

analogous

#A9D44F #66D44F #4FD47B

triadic

#66D44F #4F66D4 #D44F66

tetradic

#66D44F #4FA9D4 #BD4FD4 #D47B4F

square

#66D44F #4FA9D4 #BD4FD4 #D47B4F

split-complementary

#66D44F #7B4FD4 #D44FA9

monochromatic

#338721 #45B92D #66D44F #91E080 #BCECB1

Accessibility & contrast

On white

1.89

#66D44F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#66D44F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D44F

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D44F	#FFFFFF	#000000	##000000
##66D44F	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C23F

Deuteranopia (green-blind)

#CBB95A

Tritanopia (blue-blind)

#5ACEB8

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #66d44f;
/* rgb */ color: rgb(102, 212, 79);
/* oklch */ color: oklch(77.7% 0.199 140.4);

Tailwind

colors: {
  custom: {
    50: '#9be285',
    500: '#66d44f',
    950: '#000000',
  },
}

SCSS

$custom: #66d44f;
$custom-light: #9be285;
$custom-dark: #000000;

JSON

{
  "hex": "#66d44f",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 79
  },
  "hsl": {
    "h": 109.624,
    "s": 60.731,
    "l": 57.059
  },
  "oklch": {
    "l": 0.77744,
    "c": 0.19931,
    "h": 140.4
  },
  "luminance": 0.50476
}

Semantic roles & 50–950 ramp

primary

#66D44F

secondary

#7F398E

accent

#44E4C8

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F150B

muted

#80847E

Preview Lab

Preview with #66D44F

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

Preview Lab → · Contrast checker → · Palette generator →