#CEF34F#CEF34F

#CEF34F is a very light, vivid yellow-green. Relative luminance 0.778; OKLCH L 90.8% C 0.189 H 121.3°. Best body text is #000000 at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#CEF34F
RGB	rgb(206, 243, 79)
HSL	hsl(74, 87%, 63%)
HSV	hsv(74, 67%, 95%)
CMYK	cmyk(15.2%, 0%, 67.5%, 4.7%)
CIE-LAB	lab(90.68, -33.52, 71.58)
CIE-LCH	lch(90.68, 79.04, 115.09°)
OKLab	oklab(90.82% -0.098 0.1611)
OKLCH	oklch(90.82% 0.189 121.3)
XYZ	xyz(58.9163, 77.7875, 19.3063)
Luminance	0.7779 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF34F #744FF3

analogous

#F3C64F #CEF34F #7CF34F

triadic

#CEF34F #4FCEF3 #F34FCE

tetradic

#CEF34F #4FF3C6 #744FF3 #F34F7C

square

#CEF34F #4FF3C6 #744FF3 #F34F7C

split-complementary

#CEF34F #4F7CF3 #C64FF3

monochromatic

#94BB0D #BEEF16 #CEF34F #DEF788 #EEFBC2

Accessibility & contrast

On white

1.27

#CEF34F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.56

#CEF34F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF34F

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF34F	#FFFFFF	#000000	##000000
##CEF34F	1.00	1.27	16.56	16.56
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.56	21.00	1.00	1.00
##000000	16.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE536

Deuteranopia (green-blind)

#FDE45C

Tritanopia (blue-blind)

#D9E7D2

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #cef34f;
/* rgb */ color: rgb(206, 243, 79);
/* oklch */ color: oklch(90.8% 0.189 121.3);

Tailwind

colors: {
  custom: {
    50: '#e0f789',
    500: '#cef34f',
    950: '#000000',
  },
}

SCSS

$custom: #cef34f;
$custom-light: #e0f789;
$custom-dark: #000000;

JSON

{
  "hex": "#cef34f",
  "rgb": {
    "r": 206,
    "g": 243,
    "b": 79
  },
  "hsl": {
    "h": 73.537,
    "s": 87.234,
    "l": 63.137
  },
  "oklch": {
    "l": 0.90821,
    "c": 0.18856,
    "h": 121.3
  },
  "luminance": 0.77788
}

Semantic roles & 50–950 ramp

primary

#CEF34F

secondary

#4D2DB9

accent

#02E435

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170C

muted

#84857F

Preview Lab

Preview with #CEF34F

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

Preview Lab → · Contrast checker → · Palette generator →