#66F990#66F990

#66F990 is a very light, vivid green. Relative luminance 0.726; OKLCH L 87.8% C 0.192 H 150.0°. Best body text is #000000 at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#66F990
RGB	rgb(102, 249, 144)
HSL	hsl(137, 92%, 69%)
HSV	hsv(137, 59%, 98%)
CMYK	cmyk(59%, 0%, 42.2%, 2.4%)
CIE-LAB	lab(88.25, -61.43, 38.87)
CIE-LCH	lch(88.25, 72.70, 147.68°)
OKLab	oklab(87.77% -0.1661 0.0959)
OKLCH	oklch(87.77% 0.192 150)
XYZ	xyz(44.3860, 72.5855, 38.0515)
Luminance	0.7259 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F990 #F966CF

analogous

#86F966 #66F990 #66F9DA

triadic

#66F990 #9066F9 #F99066

tetradic

#66F990 #6686F9 #F966CF #F9DA66

square

#66F990 #6686F9 #F966CF #F9DA66

split-complementary

#66F990 #DA66F9 #F96686

monochromatic

#09DC45 #2BF765 #66F990 #A1FBBB #DCFEE5

Accessibility & contrast

On white

1.35

#66F990 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.52

#66F990 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F990

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F990	#FFFFFF	#000000	##000000
##66F990	1.00	1.35	15.52	15.52
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.52	21.00	1.00	1.00
##000000	15.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE688

Deuteranopia (green-blind)

#E7D897

Tritanopia (blue-blind)

#3BF5DF

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #66f990;
/* rgb */ color: rgb(102, 249, 144);
/* oklch */ color: oklch(87.8% 0.192 150.0);

Tailwind

colors: {
  custom: {
    50: '#9efcb1',
    500: '#66f990',
    950: '#000000',
  },
}

SCSS

$custom: #66f990;
$custom-light: #9efcb1;
$custom-dark: #000000;

JSON

{
  "hex": "#66f990",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 144
  },
  "hsl": {
    "h": 137.143,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87774,
    "c": 0.19178,
    "h": 150
  },
  "luminance": 0.7259
}

Semantic roles & 50–950 ramp

primary

#66F990

secondary

#D330A4

accent

#00A4E6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101811

muted

#808681

Preview Lab

Preview with #66F990

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

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