#4EFF66#4EFF66

#4EFF66 is a very light, highly saturated green. Relative luminance 0.741; OKLCH L 88.0% C 0.243 H 145.2°. Best body text is #000000 at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#4EFF66
RGB	rgb(78, 255, 102)
HSL	hsl(128, 100%, 65%)
HSV	hsv(128, 69%, 100%)
CMYK	cmyk(69.4%, 0%, 60%, 0%)
CIE-LAB	lab(88.97, -73.74, 59.01)
CIE-LCH	lch(88.97, 94.45, 141.33°)
OKLab	oklab(88.04% -0.1992 0.1385)
OKLCH	oklch(88.04% 0.243 145.2)
XYZ	xyz(41.2974, 74.0945, 24.6930)
Luminance	0.7410 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EFF66 #FF4EE7

analogous

#8EFF4E #4EFF66 #4EFFBF

triadic

#4EFF66 #664EFF #FF664E

tetradic

#4EFF66 #4E8EFF #FF4EE7 #FFBF4E

square

#4EFF66 #4E8EFF #FF4EE7 #FFBF4E

split-complementary

#4EFF66 #BF4EFF #FF4E8E

monochromatic

#00D31D #11FF31 #4EFF66 #8BFF9B #C8FFD0

Accessibility & contrast

On white

1.33

#4EFF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.82

#4EFF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EFF66

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EFF66	#FFFFFF	#000000	##000000
##4EFF66	1.00	1.33	15.82	15.82
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.82	21.00	1.00	1.00
##000000	15.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE855

Deuteranopia (green-blind)

#EEDA73

Tritanopia (blue-blind)

#00F9DE

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #4eff66;
/* rgb */ color: rgb(78, 255, 102);
/* oklch */ color: oklch(88.0% 0.243 145.2);

Tailwind

colors: {
  custom: {
    50: '#96ff96',
    500: '#4eff66',
    950: '#000000',
  },
}

SCSS

$custom: #4eff66;
$custom-light: #96ff96;
$custom-dark: #000000;

JSON

{
  "hex": "#4eff66",
  "rgb": {
    "r": 78,
    "g": 255,
    "b": 102
  },
  "hsl": {
    "h": 128.136,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.8804,
    "c": 0.24264,
    "h": 145.2
  },
  "luminance": 0.74099
}

Semantic roles & 50–950 ramp

primary

#4EFF66

secondary

#CD24B6

accent

#00C6E6

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#0F180E

muted

#80867F

Preview Lab

Preview with #4EFF66

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

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