#CEF443#CEF443

#CEF443 is a very light, vivid yellow-green. Relative luminance 0.782; OKLCH L 91.0% C 0.197 H 121.2°. Best body text is #000000 at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#CEF443
RGB	rgb(206, 244, 67)
HSL	hsl(73, 89%, 61%)
HSV	hsv(73, 73%, 96%)
CMYK	cmyk(15.6%, 0%, 72.5%, 4.3%)
CIE-LAB	lab(90.88, -34.62, 75.94)
CIE-LCH	lch(90.88, 83.46, 114.51°)
OKLab	oklab(90.96% -0.102 0.1685)
OKLCH	oklch(90.96% 0.197 121.2)
XYZ	xyz(58.8184, 78.2285, 17.3101)
Luminance	0.7823 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF443 #6943F4

analogous

#F4C143 #CEF443 #75F443

triadic

#CEF443 #43CEF4 #F443CE

tetradic

#CEF443 #43F4C1 #6943F4 #F44375

square

#CEF443 #43F4C1 #6943F4 #F44375

split-complementary

#CEF443 #4375F4 #C143F4

monochromatic

#8EB20A #BCEC0E #CEF443 #DDF77D #ECFBB7

Accessibility & contrast

On white

1.26

#CEF443 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.65

#CEF443 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF443

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF443	#FFFFFF	#000000	##000000
##CEF443	1.00	1.26	16.65	16.65
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.65	21.00	1.00	1.00
##000000	16.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE61E

Deuteranopia (green-blind)

#FEE553

Tritanopia (blue-blind)

#D9E7D2

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #cef443;
/* rgb */ color: rgb(206, 244, 67);
/* oklch */ color: oklch(91.0% 0.197 121.2);

Tailwind

colors: {
  custom: {
    50: '#e1f783',
    500: '#cef443',
    950: '#000000',
  },
}

SCSS

$custom: #cef443;
$custom-light: #e1f783;
$custom-dark: #000000;

JSON

{
  "hex": "#cef443",
  "rgb": {
    "r": 206,
    "g": 244,
    "b": 67
  },
  "hsl": {
    "h": 72.881,
    "s": 88.945,
    "l": 60.98
  },
  "oklch": {
    "l": 0.9096,
    "c": 0.19694,
    "h": 121.2
  },
  "luminance": 0.78228
}

Semantic roles & 50–950 ramp

primary

#CEF443

secondary

#4729B2

accent

#00E631

background

#FEFFFC

surface

#FDFEF3

border

#D5D6CD

text

#16170C

muted

#84857F

Preview Lab

Preview with #CEF443

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

Preview Lab → · Contrast checker → · Palette generator →