#F5F357#F5F357

#F5F357 is a very light, vivid yellow. Relative luminance 0.842; OKLCH L 93.8% C 0.172 H 108.6°. Best body text is #000000 at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#F5F357
RGB	rgb(245, 243, 87)
HSL	hsl(59, 89%, 65%)
HSV	hsv(59, 64%, 96%)
CMYK	cmyk(0%, 0.8%, 64.5%, 3.9%)
CIE-LAB	lab(93.54, -17.56, 72.39)
CIE-LCH	lch(93.54, 74.49, 103.64°)
OKLab	oklab(93.83% -0.0548 0.1631)
OKLCH	oklch(93.83% 0.172 108.6)
XYZ	xyz(71.4295, 84.2039, 21.5053)
Luminance	0.8420 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5F357 #5759F5

analogous

#F5A457 #F5F357 #A8F557

triadic

#F5F357 #57F5F3 #F357F5

tetradic

#F5F357 #57F5A4 #5759F5 #F557A8

square

#F5F357 #57F5A4 #5759F5 #F557A8

split-complementary

#F5F357 #57A8F5 #A457F5

monochromatic

#C6C30C #F2EF1D #F5F357 #F8F791 #FCFBCB

Accessibility & contrast

On white

1.18

#F5F357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.84

#F5F357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5F357

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5F357	#FFFFFF	#000000	##000000
##F5F357	1.00	1.18	17.84	17.84
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.84	21.00	1.00	1.00
##000000	17.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE941

Deuteranopia (green-blind)

#FFEF61

Tritanopia (blue-blind)

#FFE4D3

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #f5f357;
/* rgb */ color: rgb(245, 243, 87);
/* oklch */ color: oklch(93.8% 0.172 108.6);

Tailwind

colors: {
  custom: {
    50: '#fcf68e',
    500: '#f5f357',
    950: '#000000',
  },
}

SCSS

$custom: #f5f357;
$custom-light: #fcf68e;
$custom-dark: #000000;

JSON

{
  "hex": "#f5f357",
  "rgb": {
    "r": 245,
    "g": 243,
    "b": 87
  },
  "hsl": {
    "h": 59.241,
    "s": 88.764,
    "l": 65.098
  },
  "oklch": {
    "l": 0.93825,
    "c": 0.17203,
    "h": 108.6
  },
  "luminance": 0.84202
}

Semantic roles & 50–950 ramp

primary

#F5F357

secondary

#2D2FC3

accent

#03E500

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F5F357

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

Preview Lab → · Contrast checker → · Palette generator →