#F3F359#F3F359

#F3F359 is a very light, vivid yellow. Relative luminance 0.839; OKLCH L 93.7% C 0.171 H 109.3°. Best body text is #000000 at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#F3F359
RGB	rgb(243, 243, 89)
HSL	hsl(60, 87%, 65%)
HSV	hsv(60, 63%, 95%)
CMYK	cmyk(0%, 0%, 63.4%, 4.7%)
CIE-LAB	lab(93.40, -18.26, 71.42)
CIE-LCH	lch(93.40, 73.72, 104.34°)
OKLab	oklab(93.68% -0.0565 0.1614)
OKLCH	oklch(93.68% 0.171 109.3)
XYZ	xyz(70.8182, 83.8791, 21.9091)
Luminance	0.8388 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F359 #5959F3

analogous

#F3A659 #F3F359 #A6F359

triadic

#F3F359 #59F3F3 #F359F3

tetradic

#F3F359 #59F3A6 #5959F3 #F359A6

square

#F3F359 #59F3A6 #5959F3 #F359A6

split-complementary

#F3F359 #59A6F3 #A659F3

monochromatic

#C3C30E #EFEF20 #F3F359 #F7F792 #FBFBCB

Accessibility & contrast

On white

1.18

#F3F359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.78

#F3F359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F359

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F359	#FFFFFF	#000000	##000000
##F3F359	1.00	1.18	17.78	17.78
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.78	21.00	1.00	1.00
##000000	17.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE944

Deuteranopia (green-blind)

#FFEE63

Tritanopia (blue-blind)

#FFE4D3

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #f3f359;
/* rgb */ color: rgb(243, 243, 89);
/* oklch */ color: oklch(93.7% 0.171 109.3);

Tailwind

colors: {
  custom: {
    50: '#faf68f',
    500: '#f3f359',
    950: '#000000',
  },
}

SCSS

$custom: #f3f359;
$custom-light: #faf68f;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f359",
  "rgb": {
    "r": 243,
    "g": 243,
    "b": 89
  },
  "hsl": {
    "h": 60,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.9368,
    "c": 0.17096,
    "h": 109.3
  },
  "luminance": 0.83877
}

Semantic roles & 50–950 ramp

primary

#F3F359

secondary

#2F2FC1

accent

#02E302

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F359

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

Preview Lab → · Contrast checker → · Palette generator →