#F3F85B#F3F85B

#F3F85B is a very light, vivid yellow. Relative luminance 0.869; OKLCH L 94.7% C 0.175 H 111.1°. Best body text is #000000 at 18.39:1 contrast (WCAG AA passes).

Color values

HEX	#F3F85B
RGB	rgb(243, 248, 91)
HSL	hsl(62, 92%, 66%)
HSV	hsv(62, 63%, 97%)
CMYK	cmyk(2%, 0%, 63.3%, 2.7%)
CIE-LAB	lab(94.72, -20.54, 72.01)
CIE-LCH	lch(94.72, 74.89, 105.92°)
OKLab	oklab(94.74% -0.0627 0.1629)
OKLCH	oklch(94.74% 0.175 111.1)
XYZ	xyz(72.4200, 86.9466, 22.8630)
Luminance	0.8694 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F85B #605BF8

analogous

#F8AF5B #F3F85B #A5F85B

triadic

#F3F85B #5BF3F8 #F85BF3

tetradic

#F3F85B #5BF8AF #605BF8 #F85BA5

square

#F3F85B #5BF8AF #605BF8 #F85BA5

split-complementary

#F3F85B #5BA5F8 #AF5BF8

monochromatic

#C9D009 #EFF520 #F3F85B #F7FB96 #FCFDD0

Accessibility & contrast

On white

1.14

#F3F85B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.39

#F3F85B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F85B

18.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F85B	#FFFFFF	#000000	##000000
##F3F85B	1.00	1.14	18.39	18.39
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.39	21.00	1.00	1.00
##000000	18.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE46

Deuteranopia (green-blind)

#FFF265

Tritanopia (blue-blind)

#FFEAD8

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #f3f85b;
/* rgb */ color: rgb(243, 248, 91);
/* oklch */ color: oklch(94.7% 0.175 111.1);

Tailwind

colors: {
  custom: {
    50: '#fafa91',
    500: '#f3f85b',
    950: '#000000',
  },
}

SCSS

$custom: #f3f85b;
$custom-light: #fafa91;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f85b",
  "rgb": {
    "r": 243,
    "g": 248,
    "b": 91
  },
  "hsl": {
    "h": 61.911,
    "s": 91.813,
    "l": 66.471
  },
  "oklch": {
    "l": 0.94737,
    "c": 0.17456,
    "h": 111.1
  },
  "luminance": 0.86945
}

Semantic roles & 50–950 ramp

primary

#F3F85B

secondary

#312CCB

accent

#00E607

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F85B

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

Preview Lab → · Contrast checker → · Palette generator →