#F4F55B#F4F55B

#F4F55B is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.2% C 0.171 H 109.6°. Best body text is #000000 at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#F4F55B
RGB	rgb(244, 245, 91)
HSL	hsl(60, 89%, 66%)
HSV	hsv(60, 63%, 96%)
CMYK	cmyk(0.4%, 0%, 62.9%, 3.9%)
CIE-LAB	lab(94.01, -18.70, 71.30)
CIE-LCH	lch(94.01, 73.71, 104.70°)
OKLab	oklab(94.19% -0.0576 0.1614)
OKLCH	oklch(94.19% 0.171 109.6)
XYZ	xyz(71.8512, 85.2952, 22.5742)
Luminance	0.8529 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F4F55B #5C5BF5

analogous

#F5A95B #F4F55B #A7F55B

triadic

#F4F55B #5BF4F5 #F55BF4

tetradic

#F4F55B #5BF5A9 #5C5BF5 #F55BA7

square

#F4F55B #5BF5A9 #5C5BF5 #F55BA7

split-complementary

#F4F55B #5BA7F5 #A95BF5

monochromatic

#C8C90C #F0F121 #F4F55B #F8F995 #FCFCCE

Accessibility & contrast

On white

1.16

#F4F55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.06

#F4F55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F4F55B

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F4F55B	#FFFFFF	#000000	##000000
##F4F55B	1.00	1.16	18.06	18.06
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.06	21.00	1.00	1.00
##000000	18.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB47

Deuteranopia (green-blind)

#FFF065

Tritanopia (blue-blind)

#FFE6D5

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f4f55b;
/* rgb */ color: rgb(244, 245, 91);
/* oklch */ color: oklch(94.2% 0.171 109.6);

Tailwind

colors: {
  custom: {
    50: '#fbf890',
    500: '#f4f55b',
    950: '#000000',
  },
}

SCSS

$custom: #f4f55b;
$custom-light: #fbf890;
$custom-dark: #000000;

JSON

{
  "hex": "#f4f55b",
  "rgb": {
    "r": 244,
    "g": 245,
    "b": 91
  },
  "hsl": {
    "h": 60.39,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.94192,
    "c": 0.17134,
    "h": 109.6
  },
  "luminance": 0.85293
}

Semantic roles & 50–950 ramp

primary

#F4F55B

secondary

#2F2EC6

accent

#00E502

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F4F55B

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

Preview Lab → · Contrast checker → · Palette generator →