#F3F45B#F3F45B

#F3F45B is a very light, vivid yellow. Relative luminance 0.845; OKLCH L 93.9% C 0.171 H 109.6°. Best body text is #000000 at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#F3F45B
RGB	rgb(243, 244, 91)
HSL	hsl(60, 87%, 66%)
HSV	hsv(60, 63%, 96%)
CMYK	cmyk(0.4%, 0%, 62.7%, 4.3%)
CIE-LAB	lab(93.67, -18.62, 70.92)
CIE-LCH	lch(93.67, 73.33, 104.71°)
OKLab	oklab(93.9% -0.0573 0.1606)
OKLCH	oklch(93.9% 0.171 109.6)
XYZ	xyz(71.2034, 84.5133, 22.4574)
Luminance	0.8451 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F45B #5C5BF4

analogous

#F4A85B #F3F45B #A6F45B

triadic

#F3F45B #5BF3F4 #F45BF3

tetradic

#F3F45B #5BF4A8 #5C5BF4 #F45BA6

square

#F3F45B #5BF4A8 #5C5BF4 #F45BA6

split-complementary

#F3F45B #5BA6F4 #A85BF4

monochromatic

#C6C70D #EFF022 #F3F45B #F7F894 #FBFCCE

Accessibility & contrast

On white

1.17

#F3F45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.90

#F3F45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F45B

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F45B	#FFFFFF	#000000	##000000
##F3F45B	1.00	1.17	17.90	17.90
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.90	21.00	1.00	1.00
##000000	17.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA47

Deuteranopia (green-blind)

#FFEF65

Tritanopia (blue-blind)

#FFE5D4

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f3f45b;
/* rgb */ color: rgb(243, 244, 91);
/* oklch */ color: oklch(93.9% 0.171 109.6);

Tailwind

colors: {
  custom: {
    50: '#faf790',
    500: '#f3f45b',
    950: '#000000',
  },
}

SCSS

$custom: #f3f45b;
$custom-light: #faf790;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f45b",
  "rgb": {
    "r": 243,
    "g": 244,
    "b": 91
  },
  "hsl": {
    "h": 60.392,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.93904,
    "c": 0.17052,
    "h": 109.6
  },
  "luminance": 0.84511
}

Semantic roles & 50–950 ramp

primary

#F3F45B

secondary

#302FC4

accent

#02E403

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F45B

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

Preview Lab → · Contrast checker → · Palette generator →