#F5F558#F5F558

#F5F558 is a very light, vivid yellow. Relative luminance 0.854; OKLCH L 94.2% C 0.173 H 109.3°. Best body text is #000000 at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#F5F558
RGB	rgb(245, 245, 88)
HSL	hsl(60, 89%, 65%)
HSV	hsv(60, 64%, 96%)
CMYK	cmyk(0%, 0%, 64.1%, 3.9%)
CIE-LAB	lab(94.07, -18.47, 72.55)
CIE-LCH	lch(94.07, 74.86, 104.29°)
OKLab	oklab(94.25% -0.0573 0.1635)
OKLCH	oklch(94.25% 0.173 109.3)
XYZ	xyz(72.0724, 85.4239, 21.9225)
Luminance	0.8542 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5F558 #5858F5

analogous

#F5A658 #F5F558 #A6F558

triadic

#F5F558 #58F5F5 #F558F5

tetradic

#F5F558 #58F5A6 #5858F5 #F558A6

square

#F5F558 #58F5A6 #5858F5 #F558A6

split-complementary

#F5F558 #58A6F5 #A658F5

monochromatic

#C7C70C #F2F21E #F5F558 #F8F892 #FCFCCB

Accessibility & contrast

On white

1.16

#F5F558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.08

#F5F558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5F558

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5F558	#FFFFFF	#000000	##000000
##F5F558	1.00	1.16	18.08	18.08
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.08	21.00	1.00	1.00
##000000	18.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB42

Deuteranopia (green-blind)

#FFF062

Tritanopia (blue-blind)

#FFE6D5

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f5f558;
/* rgb */ color: rgb(245, 245, 88);
/* oklch */ color: oklch(94.2% 0.173 109.3);

Tailwind

colors: {
  custom: {
    50: '#fcf88f',
    500: '#f5f558',
    950: '#000000',
  },
}

SCSS

$custom: #f5f558;
$custom-light: #fcf88f;
$custom-dark: #000000;

JSON

{
  "hex": "#f5f558",
  "rgb": {
    "r": 245,
    "g": 245,
    "b": 88
  },
  "hsl": {
    "h": 60,
    "s": 88.701,
    "l": 65.294
  },
  "oklch": {
    "l": 0.94248,
    "c": 0.17328,
    "h": 109.3
  },
  "luminance": 0.85422
}

Semantic roles & 50–950 ramp

primary

#F5F558

secondary

#2E2EC3

accent

#00E500

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F5F558

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

Preview Lab → · Contrast checker → · Palette generator →