#CEF44F#CEF44F

#CEF44F is a very light, vivid yellow-green. Relative luminance 0.784; OKLCH L 91.0% C 0.190 H 121.5°. Best body text is #000000 at 16.68:1 contrast (WCAG AA passes).

Color values

HEX	#CEF44F
RGB	rgb(206, 244, 79)
HSL	hsl(74, 88%, 63%)
HSV	hsv(74, 68%, 96%)
CMYK	cmyk(15.6%, 0%, 67.6%, 4.3%)
CIE-LAB	lab(90.96, -33.98, 71.85)
CIE-LCH	lch(90.96, 79.48, 115.31°)
OKLab	oklab(91.04% -0.0992 0.1617)
OKLCH	oklch(91.04% 0.19 121.5)
XYZ	xyz(59.2164, 78.3877, 19.4063)
Luminance	0.7839 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF44F #754FF4

analogous

#F4C74F #CEF44F #7BF44F

triadic

#CEF44F #4FCEF4 #F44FCE

tetradic

#CEF44F #4FF4C7 #754FF4 #F44F7B

square

#CEF44F #4FF4C7 #754FF4 #F44F7B

split-complementary

#CEF44F #4F7BF4 #C74FF4

monochromatic

#94BD0C #BEF015 #CEF44F #DEF889 #EEFBC2

Accessibility & contrast

On white

1.26

#CEF44F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.68

#CEF44F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF44F

16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF44F	#FFFFFF	#000000	##000000
##CEF44F	1.00	1.26	16.68	16.68
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.68	21.00	1.00	1.00
##000000	16.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE636

Deuteranopia (green-blind)

#FEE55C

Tritanopia (blue-blind)

#D9E8D3

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #cef44f;
/* rgb */ color: rgb(206, 244, 79);
/* oklch */ color: oklch(91.0% 0.190 121.5);

Tailwind

colors: {
  custom: {
    50: '#e0f789',
    500: '#cef44f',
    950: '#000000',
  },
}

SCSS

$custom: #cef44f;
$custom-light: #e0f789;
$custom-dark: #000000;

JSON

{
  "hex": "#cef44f",
  "rgb": {
    "r": 206,
    "g": 244,
    "b": 79
  },
  "hsl": {
    "h": 73.818,
    "s": 88.235,
    "l": 63.333
  },
  "oklch": {
    "l": 0.91042,
    "c": 0.18972,
    "h": 121.5
  },
  "luminance": 0.78388
}

Semantic roles & 50–950 ramp

primary

#CEF44F

secondary

#4D2CBB

accent

#01E535

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170C

muted

#84857F

Preview Lab

Preview with #CEF44F

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

Preview Lab → · Contrast checker → · Palette generator →