#F5FF4E#F5FF4E

#F5FF4E is a very light, vivid yellow. Relative luminance 0.915; OKLCH L 96.3% C 0.190 H 112.7°. Best body text is #000000 at 19.30:1 contrast (WCAG AA passes).

Color values

HEX	#F5FF4E
RGB	rgb(245, 255, 78)
HSL	hsl(63, 100%, 65%)
HSV	hsv(63, 69%, 100%)
CMYK	cmyk(3.9%, 0%, 69.4%, 0%)
CIE-LAB	lab(96.61, -23.77, 78.74)
CIE-LCH	lch(96.61, 82.25, 106.80°)
OKLab	oklab(96.26% -0.0731 0.175)
OKLCH	oklch(96.26% 0.19 112.7)
XYZ	xyz(74.7936, 91.4842, 20.9245)
Luminance	0.9148 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5FF4E #584EFF

analogous

#FFB14E #F5FF4E #9CFF4E

triadic

#F5FF4E #4EF5FF #FF4EF5

tetradic

#F5FF4E #4EFFB1 #584EFF #FF4E9C

square

#F5FF4E #4EFFB1 #584EFF #FF4E9C

split-complementary

#F5FF4E #4E9CFF #B14EFF

monochromatic

#C7D300 #F2FF11 #F5FF4E #F8FF8B #FCFFC8

Accessibility & contrast

On white

1.09

#F5FF4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.30

#F5FF4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5FF4E

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5FF4E	#FFFFFF	#000000	##000000
##F5FF4E	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)

#FFF32F

Deuteranopia (green-blind)

#FFF75C

Tritanopia (blue-blind)

#FFF0DC

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f5ff4e;
/* rgb */ color: rgb(245, 255, 78);
/* oklch */ color: oklch(96.3% 0.190 112.7);

Tailwind

colors: {
  custom: {
    50: '#fcff8a',
    500: '#f5ff4e',
    950: '#000000',
  },
}

SCSS

$custom: #f5ff4e;
$custom-light: #fcff8a;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ff4e",
  "rgb": {
    "r": 245,
    "g": 255,
    "b": 78
  },
  "hsl": {
    "h": 63.39,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.9626,
    "c": 0.18967,
    "h": 112.7
  },
  "luminance": 0.91483
}

Semantic roles & 50–950 ramp

primary

#F5FF4E

secondary

#2E24CD

accent

#00E60D

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F5FF4E

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

Preview Lab → · Contrast checker → · Palette generator →