#F5EB63#F5EB63

#F5EB63 is a very light, vivid yellow. Relative luminance 0.797; OKLCH L 92.3% C 0.155 H 105.1°. Best body text is #000000 at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#F5EB63
RGB	rgb(245, 235, 99)
HSL	hsl(56, 88%, 67%)
HSV	hsv(56, 60%, 96%)
CMYK	cmyk(0%, 4.1%, 59.6%, 3.9%)
CIE-LAB	lab(91.56, -12.93, 65.45)
CIE-LCH	lch(91.56, 66.71, 101.17°)
OKLab	oklab(92.28% -0.0405 0.1501)
OKLCH	oklch(92.28% 0.155 105.1)
XYZ	xyz(69.6190, 79.7324, 23.5246)
Luminance	0.7973 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5EB63 #636DF5

analogous

#F5A263 #F5EB63 #B6F563

triadic

#F5EB63 #63F5EB #EB63F5

tetradic

#F5EB63 #63F5A2 #636DF5 #F563B6

square

#F5EB63 #63F5A2 #636DF5 #F563B6

split-complementary

#F5EB63 #63B6F5 #A263F5

monochromatic

#D0C30D #F1E429 #F5EB63 #F9F29D #FCFAD6

Accessibility & contrast

On white

1.24

#F5EB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.95

#F5EB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5EB63

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5EB63	#FFFFFF	#000000	##000000
##F5EB63	1.00	1.24	16.95	16.95
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.95	21.00	1.00	1.00
##000000	16.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE354

Deuteranopia (green-blind)

#FFEA6B

Tritanopia (blue-blind)

#FFDDCE

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #f5eb63;
/* rgb */ color: rgb(245, 235, 99);
/* oklch */ color: oklch(92.3% 0.155 105.1);

Tailwind

colors: {
  custom: {
    50: '#fbf194',
    500: '#f5eb63',
    950: '#000000',
  },
}

SCSS

$custom: #f5eb63;
$custom-light: #fbf194;
$custom-dark: #000000;

JSON

{
  "hex": "#f5eb63",
  "rgb": {
    "r": 245,
    "g": 235,
    "b": 99
  },
  "hsl": {
    "h": 55.89,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.92282,
    "c": 0.15541,
    "h": 105.1
  },
  "luminance": 0.7973
}

Semantic roles & 50–950 ramp

primary

#F5EB63

secondary

#303BCC

accent

#11E501

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18160E

muted

#86857F

Preview Lab

Preview with #F5EB63

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

Preview Lab → · Contrast checker → · Palette generator →