#F5EF66#F5EF66

#F5EF66 is a very light, vivid yellow. Relative luminance 0.821; OKLCH L 93.1% C 0.157 H 106.7°. Best body text is #000000 at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#F5EF66
RGB	rgb(245, 239, 102)
HSL	hsl(57, 88%, 68%)
HSV	hsv(57, 58%, 96%)
CMYK	cmyk(0%, 2.4%, 58.4%, 3.9%)
CIE-LAB	lab(92.62, -14.69, 65.34)
CIE-LCH	lch(92.62, 66.97, 102.67°)
OKLab	oklab(93.13% -0.0451 0.1502)
OKLCH	oklch(93.13% 0.157 106.7)
XYZ	xyz(70.9232, 82.1070, 24.6801)
Luminance	0.8210 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5EF66 #666CF5

analogous

#F5A866 #F5EF66 #B3F566

triadic

#F5EF66 #66F5EF #EF66F5

tetradic

#F5EF66 #66F5A8 #666CF5 #F566B3

square

#F5EF66 #66F5A8 #666CF5 #F566B3

split-complementary

#F5EF66 #66B3F5 #A866F5

monochromatic

#D3CB0E #F1E92D #F5EF66 #F9F59F #FDFBD9

Accessibility & contrast

On white

1.21

#F5EF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.42

#F5EF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5EF66

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5EF66	#FFFFFF	#000000	##000000
##F5EF66	1.00	1.21	17.42	17.42
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.42	21.00	1.00	1.00
##000000	17.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE757

Deuteranopia (green-blind)

#FFEC6E

Tritanopia (blue-blind)

#FFE1D2

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #f5ef66;
/* rgb */ color: rgb(245, 239, 102);
/* oklch */ color: oklch(93.1% 0.157 106.7);

Tailwind

colors: {
  custom: {
    50: '#fbf496',
    500: '#f5ef66',
    950: '#000000',
  },
}

SCSS

$custom: #f5ef66;
$custom-light: #fbf496;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ef66",
  "rgb": {
    "r": 245,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 57.483,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.93132,
    "c": 0.15684,
    "h": 106.7
  },
  "luminance": 0.82105
}

Semantic roles & 50–950 ramp

primary

#F5EF66

secondary

#3138CE

accent

#0BE401

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F5EF66

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

Preview Lab → · Contrast checker → · Palette generator →