#66E554#66E554

#66E554 is a very light, highly saturated green. Relative luminance 0.595; OKLCH L 82.0% C 0.217 H 141.3°. Best body text is #000000 at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#66E554
RGB	rgb(102, 229, 84)
HSL	hsl(113, 74%, 61%)
HSV	hsv(113, 63%, 90%)
CMYK	cmyk(55.5%, 0%, 63.3%, 10.2%)
CIE-LAB	lab(81.57, -61.83, 58.41)
CIE-LCH	lch(81.57, 85.05, 136.63°)
OKLab	oklab(82.05% -0.1689 0.1354)
OKLCH	oklch(82.05% 0.217 141.3)
XYZ	xyz(35.0974, 59.5005, 18.0210)
Luminance	0.5950 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E554 #D354E5

analogous

#AFE554 #66E554 #54E58B

triadic

#66E554 #5466E5 #E55466

tetradic

#66E554 #54AFE5 #D354E5 #E58B54

square

#66E554 #54AFE5 #D354E5 #E58B54

split-complementary

#66E554 #8B54E5 #E554AF

monochromatic

#2BA519 #38DB21 #66E554 #96ED89 #C5F5BE

Accessibility & contrast

On white

1.63

#66E554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.90

#66E554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E554

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E554	#FFFFFF	#000000	##000000
##66E554	1.00	1.63	12.90	12.90
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.90	21.00	1.00	1.00
##000000	12.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD142

Deuteranopia (green-blind)

#DAC760

Tritanopia (blue-blind)

#55DEC7

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e554;
/* rgb */ color: rgb(102, 229, 84);
/* oklch */ color: oklch(82.0% 0.217 141.3);

Tailwind

colors: {
  custom: {
    50: '#9dee8a',
    500: '#66e554',
    950: '#000000',
  },
}

SCSS

$custom: #66e554;
$custom-light: #9dee8a;
$custom-dark: #000000;

JSON

{
  "hex": "#66e554",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 84
  },
  "hsl": {
    "h": 112.552,
    "s": 73.604,
    "l": 61.373
  },
  "oklch": {
    "l": 0.82045,
    "c": 0.21651,
    "h": 141.3
  },
  "luminance": 0.59503
}

Semantic roles & 50–950 ramp

primary

#66E554

secondary

#9936A8

accent

#10D6BD

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E554

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

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