#F0EF59#F0EF59

#F0EF59 is a very light, vivid yellow. Relative luminance 0.810; OKLCH L 92.6% C 0.168 H 108.9°. Best body text is #000000 at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#F0EF59
RGB	rgb(240, 239, 89)
HSL	hsl(60, 83%, 65%)
HSV	hsv(60, 63%, 94%)
CMYK	cmyk(0%, 0.4%, 62.9%, 5.9%)
CIE-LAB	lab(92.12, -17.53, 70.02)
CIE-LCH	lch(92.12, 72.18, 104.06°)
OKLab	oklab(92.61% -0.0543 0.1585)
OKLCH	oklch(92.61% 0.168 108.9)
XYZ	xyz(68.6071, 80.9815, 21.4663)
Luminance	0.8098 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0EF59 #595AF0

analogous

#F0A459 #F0EF59 #A5F059

triadic

#F0EF59 #59F0EF #EF59F0

tetradic

#F0EF59 #59F0A4 #595AF0 #F059A5

square

#F0EF59 #59F0A4 #595AF0 #F059A5

split-complementary

#F0EF59 #59A5F0 #A459F0

monochromatic

#BDBC11 #EBEA21 #F0EF59 #F5F491 #FAFAC9

Accessibility & contrast

On white

1.22

#F0EF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.20

#F0EF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0EF59

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0EF59	#FFFFFF	#000000	##000000
##F0EF59	1.00	1.22	17.20	17.20
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.20	21.00	1.00	1.00
##000000	17.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE645

Deuteranopia (green-blind)

#FFEB63

Tritanopia (blue-blind)

#FFE1D0

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #f0ef59;
/* rgb */ color: rgb(240, 239, 89);
/* oklch */ color: oklch(92.6% 0.168 108.9);

Tailwind

colors: {
  custom: {
    50: '#f8f48f',
    500: '#f0ef59',
    950: '#000000',
  },
}

SCSS

$custom: #f0ef59;
$custom-light: #f8f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#f0ef59",
  "rgb": {
    "r": 240,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 59.603,
    "s": 83.425,
    "l": 64.51
  },
  "oklch": {
    "l": 0.92606,
    "c": 0.1675,
    "h": 108.9
  },
  "luminance": 0.8098
}

Semantic roles & 50–950 ramp

primary

#F0EF59

secondary

#3132BC

accent

#07E006

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F0EF59

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

Preview Lab → · Contrast checker → · Palette generator →