#CFF34F#CFF34F

#CFF34F is a very light, vivid yellow-green. Relative luminance 0.779; OKLCH L 90.9% C 0.188 H 121.0°. Best body text is #000000 at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#CFF34F
RGB	rgb(207, 243, 79)
HSL	hsl(73, 87%, 63%)
HSV	hsv(73, 67%, 95%)
CMYK	cmyk(14.8%, 0%, 67.5%, 4.7%)
CIE-LAB	lab(90.75, -33.13, 71.66)
CIE-LCH	lch(90.75, 78.95, 114.81°)
OKLab	oklab(90.89% -0.0969 0.1613)
OKLCH	oklch(90.89% 0.188 121)
XYZ	xyz(59.1949, 77.9312, 19.3194)
Luminance	0.7793 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFF34F #734FF3

analogous

#F3C54F #CFF34F #7DF34F

triadic

#CFF34F #4FCFF3 #F34FCF

tetradic

#CFF34F #4FF3C5 #734FF3 #F34F7D

square

#CFF34F #4FF3C5 #734FF3 #F34F7D

split-complementary

#CFF34F #4F7DF3 #C54FF3

monochromatic

#95BB0D #BFEF16 #CFF34F #DFF788 #EEFBC2

Accessibility & contrast

On white

1.27

#CFF34F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.59

#CFF34F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFF34F

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFF34F	#FFFFFF	#000000	##000000
##CFF34F	1.00	1.27	16.59	16.59
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.59	21.00	1.00	1.00
##000000	16.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE536

Deuteranopia (green-blind)

#FDE55C

Tritanopia (blue-blind)

#DAE7D2

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #cff34f;
/* rgb */ color: rgb(207, 243, 79);
/* oklch */ color: oklch(90.9% 0.188 121.0);

Tailwind

colors: {
  custom: {
    50: '#e1f789',
    500: '#cff34f',
    950: '#000000',
  },
}

SCSS

$custom: #cff34f;
$custom-light: #e1f789;
$custom-dark: #000000;

JSON

{
  "hex": "#cff34f",
  "rgb": {
    "r": 207,
    "g": 243,
    "b": 79
  },
  "hsl": {
    "h": 73.171,
    "s": 87.234,
    "l": 63.137
  },
  "oklch": {
    "l": 0.90891,
    "c": 0.18818,
    "h": 121
  },
  "luminance": 0.77931
}

Semantic roles & 50–950 ramp

primary

#CFF34F

secondary

#4C2DB9

accent

#02E433

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170C

muted

#84857F

Preview Lab

Preview with #CFF34F

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

Preview Lab → · Contrast checker → · Palette generator →