#F0F357#F0F357

#F0F357 is a very light, vivid yellow. Relative luminance 0.833; OKLCH L 93.4% C 0.173 H 110.4°. Best body text is #000000 at 17.66:1 contrast (WCAG AA passes).

Color values

HEX	#F0F357
RGB	rgb(240, 243, 87)
HSL	hsl(61, 87%, 65%)
HSV	hsv(61, 64%, 95%)
CMYK	cmyk(1.2%, 0%, 64.2%, 4.7%)
CIE-LAB	lab(93.15, -19.58, 71.87)
CIE-LCH	lch(93.15, 74.49, 105.24°)
OKLab	oklab(93.42% -0.0602 0.1621)
OKLCH	oklch(93.42% 0.173 110.4)
XYZ	xyz(69.7082, 83.3164, 21.4246)
Luminance	0.8331 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0F357 #5A57F3

analogous

#F3A857 #F0F357 #A2F357

triadic

#F0F357 #57F0F3 #F357F0

tetradic

#F0F357 #57F3A8 #5A57F3 #F357A2

square

#F0F357 #57F3A8 #5A57F3 #F357A2

split-complementary

#F0F357 #57A2F3 #A857F3

monochromatic

#BEC20E #EBEF1E #F0F357 #F5F790 #FAFBC9

Accessibility & contrast

On white

1.19

#F0F357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.66

#F0F357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0F357

17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0F357	#FFFFFF	#000000	##000000
##F0F357	1.00	1.19	17.66	17.66
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.66	21.00	1.00	1.00
##000000	17.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE942

Deuteranopia (green-blind)

#FFEE61

Tritanopia (blue-blind)

#FFE5D3

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #f0f357;
/* rgb */ color: rgb(240, 243, 87);
/* oklch */ color: oklch(93.4% 0.173 110.4);

Tailwind

colors: {
  custom: {
    50: '#f8f68e',
    500: '#f0f357',
    950: '#000000',
  },
}

SCSS

$custom: #f0f357;
$custom-light: #f8f68e;
$custom-dark: #000000;

JSON

{
  "hex": "#f0f357",
  "rgb": {
    "r": 240,
    "g": 243,
    "b": 87
  },
  "hsl": {
    "h": 61.154,
    "s": 86.667,
    "l": 64.706
  },
  "oklch": {
    "l": 0.93423,
    "c": 0.17291,
    "h": 110.4
  },
  "luminance": 0.83315
}

Semantic roles & 50–950 ramp

primary

#F0F357

secondary

#322FBF

accent

#02E307

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F0F357

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

Preview Lab → · Contrast checker → · Palette generator →