#66D680#66D680

#66D680 is a light, vivid green. Relative luminance 0.525; OKLCH L 78.9% C 0.159 H 149.1°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#66D680
RGB	rgb(102, 214, 128)
HSL	hsl(134, 58%, 62%)
HSV	hsv(134, 52%, 84%)
CMYK	cmyk(52.3%, 0%, 40.2%, 16.1%)
CIE-LAB	lab(77.56, -50.38, 32.95)
CIE-LCH	lch(77.56, 60.20, 146.81°)
OKLab	oklab(78.93% -0.1366 0.0817)
OKLCH	oklch(78.93% 0.159 149.1)
XYZ	xyz(33.4201, 52.4736, 28.7852)
Luminance	0.5248 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D680 #D666BC

analogous

#84D666 #66D680 #66D6B8

triadic

#66D680 #8066D6 #D68066

tetradic

#66D680 #6684D6 #D666BC #D6B866

square

#66D680 #6684D6 #D666BC #D6B866

split-complementary

#66D680 #B866D6 #D66684

monochromatic

#299943 #36C958 #66D680 #96E3A8 #C7F0D0

Accessibility & contrast

On white

1.83

#66D680 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#66D680 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D680

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D680	#FFFFFF	#000000	##000000
##66D680	1.00	1.83	11.50	11.50
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.50	21.00	1.00	1.00
##000000	11.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C67A

Deuteranopia (green-blind)

#C8BB85

Tritanopia (blue-blind)

#4ED2C1

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d680;
/* rgb */ color: rgb(102, 214, 128);
/* oklch */ color: oklch(78.9% 0.159 149.1);

Tailwind

colors: {
  custom: {
    50: '#99e3a6',
    500: '#66d680',
    950: '#000000',
  },
}

SCSS

$custom: #66d680;
$custom-light: #99e3a6;
$custom-dark: #000000;

JSON

{
  "hex": "#66d680",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 128
  },
  "hsl": {
    "h": 133.929,
    "s": 57.732,
    "l": 61.961
  },
  "oklch": {
    "l": 0.78927,
    "c": 0.15917,
    "h": 149.1
  },
  "luminance": 0.52476
}

Semantic roles & 50–950 ramp

primary

#66D680

secondary

#9D4388

accent

#209FC5

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0F150F

muted

#808480

Preview Lab

Preview with #66D680

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

Preview Lab → · Contrast checker → · Palette generator →