#F3EC4E#F3EC4E

#F3EC4E is a very light, vivid yellow. Relative luminance 0.796; OKLCH L 92.1% C 0.172 H 106.8°. Best body text is #000000 at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#F3EC4E
RGB	rgb(243, 236, 78)
HSL	hsl(57, 87%, 63%)
HSV	hsv(57, 68%, 95%)
CMYK	cmyk(0%, 2.9%, 67.9%, 4.7%)
CIE-LAB	lab(91.50, -15.45, 73.65)
CIE-LCH	lch(91.50, 75.25, 101.85°)
OKLab	oklab(92.15% -0.0497 0.1644)
OKLCH	oklch(92.15% 0.172 106.8)
XYZ	xyz(68.3353, 79.5980, 18.9706)
Luminance	0.7960 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EC4E #4E55F3

analogous

#F39A4E #F3EC4E #A7F34E

triadic

#F3EC4E #4EF3EC #EC4EF3

tetradic

#F3EC4E #4EF39A #4E55F3 #F34EA7

square

#F3EC4E #4EF39A #4E55F3 #F34EA7

split-complementary

#F3EC4E #4EA7F3 #9A4EF3

monochromatic

#BAB30D #EFE615 #F3EC4E #F7F287 #FBF8C1

Accessibility & contrast

On white

1.24

#F3EC4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.92

#F3EC4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EC4E

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EC4E	#FFFFFF	#000000	##000000
##F3EC4E	1.00	1.24	16.92	16.92
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.92	21.00	1.00	1.00
##000000	16.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE336

Deuteranopia (green-blind)

#FFE959

Tritanopia (blue-blind)

#FFDDCD

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #f3ec4e;
/* rgb */ color: rgb(243, 236, 78);
/* oklch */ color: oklch(92.1% 0.172 106.8);

Tailwind

colors: {
  custom: {
    50: '#fbf188',
    500: '#f3ec4e',
    950: '#000000',
  },
}

SCSS

$custom: #f3ec4e;
$custom-light: #fbf188;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ec4e",
  "rgb": {
    "r": 243,
    "g": 236,
    "b": 78
  },
  "hsl": {
    "h": 57.455,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.92145,
    "c": 0.17169,
    "h": 106.8
  },
  "luminance": 0.79596
}

Semantic roles & 50–950 ramp

primary

#F3EC4E

secondary

#2D33B9

accent

#0BE402

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160C

muted

#86857F

Preview Lab

Preview with #F3EC4E

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

Preview Lab → · Contrast checker → · Palette generator →