#F0F45B#F0F45B

#F0F45B is a very light, vivid yellow. Relative luminance 0.840; OKLCH L 93.7% C 0.171 H 110.7°. Best body text is #000000 at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#F0F45B
RGB	rgb(240, 244, 91)
HSL	hsl(62, 87%, 66%)
HSV	hsv(62, 63%, 96%)
CMYK	cmyk(1.6%, 0%, 62.7%, 4.3%)
CIE-LAB	lab(93.44, -19.83, 70.61)
CIE-LCH	lch(93.44, 73.34, 105.68°)
OKLab	oklab(93.66% -0.0605 0.16)
OKLCH	oklch(93.66% 0.171 110.7)
XYZ	xyz(70.1763, 83.9837, 22.4093)
Luminance	0.8398 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0F45B #5F5BF4

analogous

#F4AC5B #F0F45B #A3F45B

triadic

#F0F45B #5BF0F4 #F45BF0

tetradic

#F0F45B #5BF4AC #5F5BF4 #F45BA3

square

#F0F45B #5BF4AC #5F5BF4 #F45BA3

split-complementary

#F0F45B #5BA3F4 #AC5BF4

monochromatic

#C2C70D #EBF022 #F0F45B #F5F894 #FAFCCE

Accessibility & contrast

On white

1.18

#F0F45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.80

#F0F45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0F45B

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0F45B	#FFFFFF	#000000	##000000
##F0F45B	1.00	1.18	17.80	17.80
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.80	21.00	1.00	1.00
##000000	17.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA47

Deuteranopia (green-blind)

#FFEE65

Tritanopia (blue-blind)

#FFE6D4

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #f0f45b;
/* rgb */ color: rgb(240, 244, 91);
/* oklch */ color: oklch(93.7% 0.171 110.7);

Tailwind

colors: {
  custom: {
    50: '#f8f790',
    500: '#f0f45b',
    950: '#000000',
  },
}

SCSS

$custom: #f0f45b;
$custom-light: #f8f790;
$custom-dark: #000000;

JSON

{
  "hex": "#f0f45b",
  "rgb": {
    "r": 240,
    "g": 244,
    "b": 91
  },
  "hsl": {
    "h": 61.569,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.93664,
    "c": 0.17109,
    "h": 110.7
  },
  "luminance": 0.83982
}

Semantic roles & 50–950 ramp

primary

#F0F45B

secondary

#332FC4

accent

#02E407

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F0F45B

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

Preview Lab → · Contrast checker → · Palette generator →