#F0D03F#F0D03F

#F0D03F is a very light, vivid yellow. Relative luminance 0.640; OKLCH L 86.1% C 0.158 H 96.1°. Best body text is #000000 at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#F0D03F
RGB	rgb(240, 208, 63)
HSL	hsl(49, 86%, 59%)
HSV	hsv(49, 74%, 94%)
CMYK	cmyk(0%, 13.3%, 73.8%, 5.9%)
CIE-LAB	lab(83.97, -3.42, 71.59)
CIE-LCH	lch(83.97, 71.67, 92.74°)
OKLab	oklab(86.07% -0.017 0.1575)
OKLCH	oklch(86.07% 0.158 96.1)
XYZ	xyz(59.3914, 63.9991, 13.9264)
Luminance	0.6400 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0D03F #3F5FF0

analogous

#F0783F #F0D03F #B7F03F

triadic

#F0D03F #3FF0D0 #D03FF0

tetradic

#F0D03F #3FF078 #3F5FF0 #F03FB7

square

#F0D03F #3FF078 #3F5FF0 #F03FB7

split-complementary

#F0D03F #3FB7F0 #783FF0

monochromatic

#A88C0D #E0BB12 #F0D03F #F4DE78 #F9ECB1

Accessibility & contrast

On white

1.52

#F0D03F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.80

#F0D03F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0D03F

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0D03F	#FFFFFF	#000000	##000000
##F0D03F	1.00	1.52	13.80	13.80
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.80	21.00	1.00	1.00
##000000	13.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC25

Deuteranopia (green-blind)

#EED648

Tritanopia (blue-blind)

#FFC0B4

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #f0d03f;
/* rgb */ color: rgb(240, 208, 63);
/* oklch */ color: oklch(86.1% 0.158 96.1);

Tailwind

colors: {
  custom: {
    50: '#f9de7e',
    500: '#f0d03f',
    950: '#000000',
  },
}

SCSS

$custom: #f0d03f;
$custom-light: #f9de7e;
$custom-dark: #000000;

JSON

{
  "hex": "#f0d03f",
  "rgb": {
    "r": 240,
    "g": 208,
    "b": 63
  },
  "hsl": {
    "h": 49.153,
    "s": 85.507,
    "l": 59.412
  },
  "oklch": {
    "l": 0.86066,
    "c": 0.15837,
    "h": 96.1
  },
  "luminance": 0.63996
}

Semantic roles & 50–950 ramp

primary

#F0D03F

secondary

#2A41A9

accent

#52FC2C

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#18150B

muted

#86847E

Preview Lab

Preview with #F0D03F

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

Preview Lab → · Contrast checker → · Palette generator →