#66D254#66D254

#66D254 is a light, vivid green. Relative luminance 0.496; OKLCH L 77.3% C 0.193 H 140.9°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#66D254
RGB	rgb(102, 210, 84)
HSL	hsl(111, 58%, 58%)
HSV	hsv(111, 60%, 82%)
CMYK	cmyk(51.4%, 0%, 60%, 17.6%)
CIE-LAB	lab(75.80, -54.77, 51.94)
CIE-LCH	lch(75.80, 75.48, 136.52°)
OKLab	oklab(77.3% -0.1498 0.1217)
OKLCH	oklch(77.3% 0.193 140.9)
XYZ	xyz(30.1250, 49.5557, 16.3635)
Luminance	0.4956 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D254 #C054D2

analogous

#A5D254 #66D254 #54D281

triadic

#66D254 #5466D2 #D25466

tetradic

#66D254 #54A5D2 #C054D2 #D28154

square

#66D254 #54A5D2 #C054D2 #D28154

split-complementary

#66D254 #8154D2 #D254A5

monochromatic

#328824 #44B831 #66D254 #91DF84 #BDEBB5

Accessibility & contrast

On white

1.92

#66D254 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#66D254 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D254

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D254	#FFFFFF	#000000	##000000
##66D254	1.00	1.92	10.91	10.91
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.91	21.00	1.00	1.00
##000000	10.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C146

Deuteranopia (green-blind)

#C9B75E

Tritanopia (blue-blind)

#5ACCB7

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d254;
/* rgb */ color: rgb(102, 210, 84);
/* oklch */ color: oklch(77.3% 0.193 140.9);

Tailwind

colors: {
  custom: {
    50: '#9ae188',
    500: '#66d254',
    950: '#000000',
  },
}

SCSS

$custom: #66d254;
$custom-light: #9ae188;
$custom-dark: #000000;

JSON

{
  "hex": "#66d254",
  "rgb": {
    "r": 102,
    "g": 210,
    "b": 84
  },
  "hsl": {
    "h": 111.429,
    "s": 58.333,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77296,
    "c": 0.19294,
    "h": 140.9
  },
  "luminance": 0.49558
}

Semantic roles & 50–950 ramp

primary

#66D254

secondary

#D3A8DA

accent

#46E2CB

background

#FAFDF8

surface

#F3FBF0

border

#CDD4CB

text

#0F150C

muted

#7F837D

Preview Lab

Preview with #66D254

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

Preview Lab → · Contrast checker → · Palette generator →