#FEF59F#FEF59F

#FEF59F is a very light, moderate yellow. Relative luminance 0.889; OKLCH L 95.8% C 0.107 H 103.1°. Best body text is #000000 at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#FEF59F
RGB	rgb(254, 245, 159)
HSL	hsl(54, 98%, 81%)
HSV	hsv(54, 37%, 100%)
CMYK	cmyk(0%, 3.5%, 37.4%, 0.4%)
CIE-LAB	lab(95.53, -9.07, 42.50)
CIE-LCH	lch(95.53, 43.46, 102.05°)
OKLab	oklab(95.83% -0.0242 0.1043)
OKLCH	oklch(95.83% 0.107 103.1)
XYZ	xyz(79.7847, 88.8808, 45.7470)
Luminance	0.8888 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF59F #9FA8FE

analogous

#FEC59F #FEF59F #D7FE9F

triadic

#FEF59F #9FFEF5 #F59FFE

tetradic

#FEF59F #9FFEC5 #9FA8FE #FE9FD7

square

#FEF59F #9FFEC5 #9FA8FE #FE9FD7

split-complementary

#FEF59F #9FD7FE #C59FFE

monochromatic

#FDE826 #FDEF62 #FEF59F #FFFBDC #FFFCE1

Accessibility & contrast

On white

1.12

#FEF59F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.78

#FEF59F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF59F

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF59F	#FFFFFF	#000000	##000000
##FEF59F	1.00	1.12	18.78	18.78
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.78	21.00	1.00	1.00
##000000	18.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF99

Deuteranopia (green-blind)

#FFF4A2

Tritanopia (blue-blind)

#FFEADF

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #fef59f;
/* rgb */ color: rgb(254, 245, 159);
/* oklch */ color: oklch(95.8% 0.107 103.1);

Tailwind

colors: {
  custom: {
    50: '#fff8bc',
    500: '#fef59f',
    950: '#000000',
  },
}

SCSS

$custom: #fef59f;
$custom-light: #fff8bc;
$custom-dark: #000000;

JSON

{
  "hex": "#fef59f",
  "rgb": {
    "r": 254,
    "g": 245,
    "b": 159
  },
  "hsl": {
    "h": 54.316,
    "s": 97.938,
    "l": 80.98
  },
  "oklch": {
    "l": 0.9583,
    "c": 0.10704,
    "h": 103.1
  },
  "luminance": 0.88879
}

Semantic roles & 50–950 ramp

primary

#FEF59F

secondary

#606CE1

accent

#16E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181712

muted

#868582

Preview Lab

Preview with #FEF59F

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

Preview Lab → · Contrast checker → · Palette generator →