#F5FF4F#F5FF4F

#F5FF4F is a very light, vivid yellow. Relative luminance 0.915; OKLCH L 96.3% C 0.189 H 112.7°. Best body text is #000000 at 19.30:1 contrast (WCAG AA passes).

Color values

HEX	#F5FF4F
RGB	rgb(245, 255, 79)
HSL	hsl(63, 100%, 65%)
HSV	hsv(63, 69%, 100%)
CMYK	cmyk(3.9%, 0%, 69%, 0%)
CIE-LAB	lab(96.61, -23.72, 78.40)
CIE-LCH	lch(96.61, 81.91, 106.83°)
OKLab	oklab(96.27% -0.0729 0.1745)
OKLCH	oklch(96.27% 0.189 112.7)
XYZ	xyz(74.8297, 91.4987, 21.1148)
Luminance	0.9150 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5FF4F #594FFF

analogous

#FFB14F #F5FF4F #9DFF4F

triadic

#F5FF4F #4FF5FF #FF4FF5

tetradic

#F5FF4F #4FFFB1 #594FFF #FF4F9D

square

#F5FF4F #4FFFB1 #594FFF #FF4F9D

split-complementary

#F5FF4F #4F9DFF #B14FFF

monochromatic

#C8D400 #F2FF12 #F5FF4F #F8FF8C #FCFFC9

Accessibility & contrast

On white

1.09

#F5FF4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.30

#F5FF4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5FF4F

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5FF4F	#FFFFFF	#000000	##000000
##F5FF4F	1.00	1.09	19.30	19.30
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.30	21.00	1.00	1.00
##000000	19.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF331

Deuteranopia (green-blind)

#FFF75C

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f5ff4f;
/* rgb */ color: rgb(245, 255, 79);
/* oklch */ color: oklch(96.3% 0.189 112.7);

Tailwind

colors: {
  custom: {
    50: '#fcff8b',
    500: '#f5ff4f',
    950: '#000000',
  },
}

SCSS

$custom: #f5ff4f;
$custom-light: #fcff8b;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ff4f",
  "rgb": {
    "r": 245,
    "g": 255,
    "b": 79
  },
  "hsl": {
    "h": 63.409,
    "s": 100,
    "l": 65.49
  },
  "oklch": {
    "l": 0.96267,
    "c": 0.18907,
    "h": 112.7
  },
  "luminance": 0.91497
}

Semantic roles & 50–950 ramp

primary

#F5FF4F

secondary

#2E24CE

accent

#00E60D

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F5FF4F

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

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