#66E558#66E558

#66E558 is a very light, highly saturated green. Relative luminance 0.596; OKLCH L 82.1% C 0.214 H 141.7°. Best body text is #000000 at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#66E558
RGB	rgb(102, 229, 88)
HSL	hsl(114, 73%, 62%)
HSV	hsv(114, 62%, 90%)
CMYK	cmyk(55.5%, 0%, 61.6%, 10.2%)
CIE-LAB	lab(81.60, -61.43, 56.77)
CIE-LCH	lch(81.60, 83.65, 137.26°)
OKLab	oklab(82.09% -0.1676 0.1324)
OKLCH	oklch(82.09% 0.214 141.7)
XYZ	xyz(35.2585, 59.5650, 18.8698)
Luminance	0.5957 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E558 #D758E5

analogous

#ACE558 #66E558 #58E591

triadic

#66E558 #5866E5 #E55866

tetradic

#66E558 #58ACE5 #D758E5 #E59158

square

#66E558 #58ACE5 #D758E5 #E59158

split-complementary

#66E558 #9158E5 #E558AC

monochromatic

#28A81A #35DD23 #66E558 #97ED8D #C7F5C2

Accessibility & contrast

On white

1.63

#66E558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.91

#66E558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E558

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E558	#FFFFFF	#000000	##000000
##66E558	1.00	1.63	12.91	12.91
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.91	21.00	1.00	1.00
##000000	12.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD148

Deuteranopia (green-blind)

#DAC764

Tritanopia (blue-blind)

#54DEC7

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e558;
/* rgb */ color: rgb(102, 229, 88);
/* oklch */ color: oklch(82.1% 0.214 141.7);

Tailwind

colors: {
  custom: {
    50: '#9dee8c',
    500: '#66e558',
    950: '#000000',
  },
}

SCSS

$custom: #66e558;
$custom-light: #9dee8c;
$custom-dark: #000000;

JSON

{
  "hex": "#66e558",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 88
  },
  "hsl": {
    "h": 114.043,
    "s": 73.057,
    "l": 62.157
  },
  "oklch": {
    "l": 0.82086,
    "c": 0.21358,
    "h": 141.7
  },
  "luminance": 0.59568
}

Semantic roles & 50–950 ramp

primary

#66E558

secondary

#9F37AA

accent

#10D5C2

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E558

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

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