#F5FD5A#F5FD5A

#F5FD5A is a very light, vivid yellow. Relative luminance 0.904; OKLCH L 95.9% C 0.180 H 112.0°. Best body text is #000000 at 19.08:1 contrast (WCAG AA passes).

Color values

HEX#F5FD5A
RGBrgb(245, 253, 90)
HSLhsl(63, 98%, 67%)
HSVhsv(63, 64%, 99%)
CMYKcmyk(3.2%, 0%, 64.4%, 0.8%)
CIE-LABlab(96.16, -22.19, 73.95)
CIE-LCHlch(96.16, 77.21, 106.70°)
OKLaboklab(95.93% -0.0675 0.1668)
OKLCHoklch(95.93% 0.18 112)
XYZxyz(74.6291, 90.4029, 23.1891)
Luminance0.9040 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#F5FD5A #625AFD
analogous
#FDB45A #F5FD5A #A3FD5A
triadic
#F5FD5A #5AF5FD #FD5AF5
tetradic
#F5FD5A #5AFDB4 #625AFD #FD5AA3
square
#F5FD5A #5AFDB4 #625AFD #FD5AA3
split-complementary
#F5FD5A #5AA3FD #B45AFD
monochromatic
#CFDA03 #F1FC1E #F5FD5A #F9FE96 #FCFED3

Accessibility & contrast

On white

1.10
#F5FD5A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

19.08
#F5FD5A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5FD5A
19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##F5FD5A#FFFFFF#000000##000000
##F5FD5A1.001.1019.0819.08
#FFFFFF1.101.0021.0021.00
#00000019.0821.001.001.00
##00000019.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF243
Deuteranopia (green-blind)
#FFF665
Tritanopia (blue-blind)
#FFEEDC
Achromatopsia (no color)
#F4F4F4

Design tokens & code

CSS
--color: #f5fd5a;
/* rgb */ color: rgb(245, 253, 90);
/* oklch */ color: oklch(95.9% 0.180 112.0);
Tailwind
colors: {
  custom: {
    50: '#fcfd90',
    500: '#f5fd5a',
    950: '#000000',
  },
}
SCSS
$custom: #f5fd5a;
$custom-light: #fcfd90;
$custom-dark: #000000;
JSON
{
  "hex": "#f5fd5a",
  "rgb": {
    "r": 245,
    "g": 253,
    "b": 90
  },
  "hsl": {
    "h": 62.945,
    "s": 97.605,
    "l": 67.255
  },
  "oklch": {
    "l": 0.95929,
    "c": 0.17995,
    "h": 112
  },
  "luminance": 0.90401
}

Semantic roles & 50–950 ramp

primary
#F5FD5A
secondary
#3028D3
accent
#00E60B
background
#FFFFFC
surface
#FFFFF4
border
#D7D7CE
text
#18170D
muted
#86857F

Preview Lab

Preview with #F5FD5A

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

Preview Lab → · Contrast checker → · Palette generator →

#F5FD5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva