#F3EF5F#F3EF5F

#F3EF5F is a very light, vivid yellow. Relative luminance 0.816; OKLCH L 92.9% C 0.163 H 107.7°. Best body text is #000000 at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#F3EF5F
RGB	rgb(243, 239, 95)
HSL	hsl(58, 86%, 66%)
HSV	hsv(58, 61%, 95%)
CMYK	cmyk(0%, 1.6%, 60.9%, 4.7%)
CIE-LAB	lab(92.41, -15.95, 67.97)
CIE-LCH	lch(92.41, 69.82, 103.21°)
OKLab	oklab(92.9% -0.0493 0.1549)
OKLCH	oklch(92.9% 0.163 107.7)
XYZ	xyz(69.8965, 81.6160, 22.8958)
Luminance	0.8161 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EF5F #5F63F3

analogous

#F3A55F #F3EF5F #ADF35F

triadic

#F3EF5F #5FF3EF #EF5FF3

tetradic

#F3EF5F #5FF3A5 #5F63F3 #F35FAD

square

#F3EF5F #5FF3A5 #5F63F3 #F35FAD

split-complementary

#F3EF5F #5FADF3 #A55FF3

monochromatic

#C9C40F #EFE926 #F3EF5F #F7F598 #FCFAD1

Accessibility & contrast

On white

1.21

#F3EF5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.32

#F3EF5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EF5F

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EF5F	#FFFFFF	#000000	##000000
##F3EF5F	1.00	1.21	17.32	17.32
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.32	21.00	1.00	1.00
##000000	17.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE64E

Deuteranopia (green-blind)

#FFEC68

Tritanopia (blue-blind)

#FFE1D1

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #f3ef5f;
/* rgb */ color: rgb(243, 239, 95);
/* oklch */ color: oklch(92.9% 0.163 107.7);

Tailwind

colors: {
  custom: {
    50: '#faf492',
    500: '#f3ef5f',
    950: '#000000',
  },
}

SCSS

$custom: #f3ef5f;
$custom-light: #faf492;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ef5f",
  "rgb": {
    "r": 243,
    "g": 239,
    "b": 95
  },
  "hsl": {
    "h": 58.378,
    "s": 86.047,
    "l": 66.275
  },
  "oklch": {
    "l": 0.92902,
    "c": 0.1626,
    "h": 107.7
  },
  "luminance": 0.81614
}

Semantic roles & 50–950 ramp

primary

#F3EF5F

secondary

#3135C5

accent

#09E303

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3EF5F

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

Preview Lab → · Contrast checker → · Palette generator →