#F3F35B#F3F35B

#F3F35B is a very light, vivid yellow. Relative luminance 0.839; OKLCH L 93.7% C 0.170 H 109.3°. Best body text is #000000 at 17.78:1 contrast (WCAG AA passes).

Color values

HEX	#F3F35B
RGB	rgb(243, 243, 91)
HSL	hsl(60, 86%, 65%)
HSV	hsv(60, 63%, 95%)
CMYK	cmyk(0%, 0%, 62.6%, 4.7%)
CIE-LAB	lab(93.41, -18.14, 70.65)
CIE-LCH	lch(93.41, 72.94, 104.40°)
OKLab	oklab(93.7% -0.0559 0.16)
OKLCH	oklch(93.7% 0.17 109.3)
XYZ	xyz(70.9033, 83.9132, 22.3574)
Luminance	0.8391 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F35B #5B5BF3

analogous

#F3A75B #F3F35B #A7F35B

triadic

#F3F35B #5BF3F3 #F35BF3

tetradic

#F3F35B #5BF3A7 #5B5BF3 #F35BA7

square

#F3F35B #5BF3A7 #5B5BF3 #F35BA7

split-complementary

#F3F35B #5BA7F3 #A75BF3

monochromatic

#C5C50E #EFEF22 #F3F35B #F7F794 #FBFBCD

Accessibility & contrast

On white

1.18

#F3F35B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.78

#F3F35B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F35B

17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F35B	#FFFFFF	#000000	##000000
##F3F35B	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)

#FFE947

Deuteranopia (green-blind)

#FFEE65

Tritanopia (blue-blind)

#FFE4D4

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #f3f35b;
/* rgb */ color: rgb(243, 243, 91);
/* oklch */ color: oklch(93.7% 0.170 109.3);

Tailwind

colors: {
  custom: {
    50: '#faf690',
    500: '#f3f35b',
    950: '#000000',
  },
}

SCSS

$custom: #f3f35b;
$custom-light: #faf690;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f35b",
  "rgb": {
    "r": 243,
    "g": 243,
    "b": 91
  },
  "hsl": {
    "h": 60,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.93696,
    "c": 0.16953,
    "h": 109.3
  },
  "luminance": 0.83911
}

Semantic roles & 50–950 ramp

primary

#F3F35B

secondary

#3030C2

accent

#03E303

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F35B

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

Preview Lab → · Contrast checker → · Palette generator →