#F5FF5A#F5FF5A

#F5FF5A is a very light, vivid yellow. Relative luminance 0.917; OKLCH L 96.3% C 0.182 H 112.7°. Best body text is #000000 at 19.33:1 contrast (WCAG AA passes).

Color values

HEX	#F5FF5A
RGB	rgb(245, 255, 90)
HSL	hsl(64, 100%, 68%)
HSV	hsv(64, 65%, 100%)
CMYK	cmyk(3.9%, 0%, 64.7%, 0%)
CIE-LAB	lab(96.69, -23.14, 74.49)
CIE-LCH	lch(96.69, 78.00, 107.26°)
OKLab	oklab(96.35% -0.0702 0.1679)
OKLCH	oklch(96.35% 0.182 112.7)
XYZ	xyz(75.2638, 91.6723, 23.4006)
Luminance	0.9167 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5FF5A #645AFF

analogous

#FFB65A #F5FF5A #A3FF5A

triadic

#F5FF5A #5AF5FF #FF5AF5

tetradic

#F5FF5A #5AFFB6 #645AFF #FF5AA3

square

#F5FF5A #5AFFB6 #645AFF #FF5AA3

split-complementary

#F5FF5A #5AA3FF #B65AFF

monochromatic

#D1DF00 #F1FF1D #F5FF5A #F9FF97 #FCFFD4

Accessibility & contrast

On white

1.09

#F5FF5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.33

#F5FF5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5FF5A

19.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5FF5A	#FFFFFF	#000000	##000000
##F5FF5A	1.00	1.09	19.33	19.33
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.33	21.00	1.00	1.00
##000000	19.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF443

Deuteranopia (green-blind)

#FFF765

Tritanopia (blue-blind)

#FFF0DE

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f5ff5a;
/* rgb */ color: rgb(245, 255, 90);
/* oklch */ color: oklch(96.3% 0.182 112.7);

Tailwind

colors: {
  custom: {
    50: '#fcff91',
    500: '#f5ff5a',
    950: '#000000',
  },
}

SCSS

$custom: #f5ff5a;
$custom-light: #fcff91;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ff5a",
  "rgb": {
    "r": 245,
    "g": 255,
    "b": 90
  },
  "hsl": {
    "h": 63.636,
    "s": 100,
    "l": 67.647
  },
  "oklch": {
    "l": 0.96347,
    "c": 0.18201,
    "h": 112.7
  },
  "luminance": 0.91671
}

Semantic roles & 50–950 ramp

primary

#F5FF5A

secondary

#3126D7

accent

#00E60E

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F5FF5A

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

Preview Lab → · Contrast checker → · Palette generator →