#66DA5F#66DA5F

#66DA5F is a light, vivid green. Relative luminance 0.538; OKLCH L 79.4% C 0.194 H 142.5°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#66DA5F
RGB	rgb(102, 218, 95)
HSL	hsl(117, 62%, 61%)
HSV	hsv(117, 56%, 85%)
CMYK	cmyk(53.2%, 0%, 56.4%, 14.5%)
CIE-LAB	lab(78.34, -56.59, 49.94)
CIE-LCH	lch(78.34, 75.48, 138.57°)
OKLab	oklab(79.42% -0.1541 0.1183)
OKLCH	oklch(79.42% 0.194 142.5)
XYZ	xyz(32.6148, 53.7911, 19.4883)
Luminance	0.5379 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DA5F #D35FDA

analogous

#A4DA5F #66DA5F #5FDA96

triadic

#66DA5F #5F66DA #DA5F66

tetradic

#66DA5F #5FA4DA #D35FDA #DA965F

square

#66DA5F #5FA4DA #D35FDA #DA965F

split-complementary

#66DA5F #965FDA #DA5FA4

monochromatic

#2B9B24 #38CD2F #66DA5F #96E591 #C5F1C2

Accessibility & contrast

On white

1.79

#66DA5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#66DA5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DA5F

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DA5F	#FFFFFF	#000000	##000000
##66DA5F	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC853

Deuteranopia (green-blind)

#CFBE68

Tritanopia (blue-blind)

#56D4BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66da5f;
/* rgb */ color: rgb(102, 218, 95);
/* oklch */ color: oklch(79.4% 0.194 142.5);

Tailwind

colors: {
  custom: {
    50: '#9be690',
    500: '#66da5f',
    950: '#000000',
  },
}

SCSS

$custom: #66da5f;
$custom-light: #9be690;
$custom-dark: #000000;

JSON

{
  "hex": "#66da5f",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 95
  },
  "hsl": {
    "h": 116.585,
    "s": 62.437,
    "l": 61.373
  },
  "oklch": {
    "l": 0.79423,
    "c": 0.19429,
    "h": 142.5
  },
  "luminance": 0.53794
}

Semantic roles & 50–950 ramp

primary

#66DA5F

secondary

#993E9F

accent

#1BCAC0

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0F160D

muted

#80847F

Preview Lab

Preview with #66DA5F

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

Preview Lab → · Contrast checker → · Palette generator →