#F3F357#F3F357

#F3F357 is a very light, vivid yellow. Relative luminance 0.838; OKLCH L 93.7% C 0.172 H 109.3°. Best body text is #000000 at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#F3F357
RGB	rgb(243, 243, 87)
HSL	hsl(60, 87%, 65%)
HSV	hsv(60, 64%, 95%)
CMYK	cmyk(0%, 0%, 64.2%, 4.7%)
CIE-LAB	lab(93.38, -18.37, 72.18)
CIE-LCH	lch(93.38, 74.48, 104.28°)
OKLab	oklab(93.66% -0.057 0.1627)
OKLCH	oklch(93.66% 0.172 109.3)
XYZ	xyz(70.7354, 83.8460, 21.4728)
Luminance	0.8384 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F357 #5757F3

analogous

#F3A557 #F3F357 #A5F357

triadic

#F3F357 #57F3F3 #F357F3

tetradic

#F3F357 #57F3A5 #5757F3 #F357A5

square

#F3F357 #57F3A5 #5757F3 #F357A5

split-complementary

#F3F357 #57A5F3 #A557F3

monochromatic

#C2C20E #EFEF1E #F3F357 #F7F790 #FBFBC9

Accessibility & contrast

On white

1.18

#F3F357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.77

#F3F357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F357

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F357	#FFFFFF	#000000	##000000
##F3F357	1.00	1.18	17.77	17.77
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.77	21.00	1.00	1.00
##000000	17.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE941

Deuteranopia (green-blind)

#FFEE61

Tritanopia (blue-blind)

#FFE4D3

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #f3f357;
/* rgb */ color: rgb(243, 243, 87);
/* oklch */ color: oklch(93.7% 0.172 109.3);

Tailwind

colors: {
  custom: {
    50: '#faf68e',
    500: '#f3f357',
    950: '#000000',
  },
}

SCSS

$custom: #f3f357;
$custom-light: #faf68e;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f357",
  "rgb": {
    "r": 243,
    "g": 243,
    "b": 87
  },
  "hsl": {
    "h": 60,
    "s": 86.667,
    "l": 64.706
  },
  "oklch": {
    "l": 0.93663,
    "c": 0.17236,
    "h": 109.3
  },
  "luminance": 0.83844
}

Semantic roles & 50–950 ramp

primary

#F3F357

secondary

#2F2FBF

accent

#02E302

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F357

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

Preview Lab → · Contrast checker → · Palette generator →