#F3EB4E#F3EB4E

#F3EB4E is a very light, vivid yellow. Relative luminance 0.790; OKLCH L 91.9% C 0.171 H 106.4°. Best body text is #000000 at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#F3EB4E
RGB	rgb(243, 235, 78)
HSL	hsl(57, 87%, 63%)
HSV	hsv(57, 68%, 95%)
CMYK	cmyk(0%, 3.3%, 67.9%, 4.7%)
CIE-LAB	lab(91.25, -14.97, 73.39)
CIE-LCH	lch(91.25, 74.90, 101.53°)
OKLab	oklab(91.94% -0.0483 0.1638)
OKLCH	oklch(91.94% 0.171 106.4)
XYZ	xyz(68.0482, 79.0238, 18.8749)
Luminance	0.7902 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3EB4E #4E56F3

analogous

#F3984E #F3EB4E #A8F34E

triadic

#F3EB4E #4EF3EB #EB4EF3

tetradic

#F3EB4E #4EF398 #4E56F3 #F34EA8

square

#F3EB4E #4EF398 #4E56F3 #F34EA8

split-complementary

#F3EB4E #4EA8F3 #984EF3

monochromatic

#BAB20D #EFE515 #F3EB4E #F7F187 #FBF8C1

Accessibility & contrast

On white

1.25

#F3EB4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.80

#F3EB4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3EB4E

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3EB4E	#FFFFFF	#000000	##000000
##F3EB4E	1.00	1.25	16.80	16.80
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.80	21.00	1.00	1.00
##000000	16.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE236

Deuteranopia (green-blind)

#FFE959

Tritanopia (blue-blind)

#FFDCCC

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #f3eb4e;
/* rgb */ color: rgb(243, 235, 78);
/* oklch */ color: oklch(91.9% 0.171 106.4);

Tailwind

colors: {
  custom: {
    50: '#fbf188',
    500: '#f3eb4e',
    950: '#000000',
  },
}

SCSS

$custom: #f3eb4e;
$custom-light: #fbf188;
$custom-dark: #000000;

JSON

{
  "hex": "#f3eb4e",
  "rgb": {
    "r": 243,
    "g": 235,
    "b": 78
  },
  "hsl": {
    "h": 57.091,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.91938,
    "c": 0.17077,
    "h": 106.4
  },
  "luminance": 0.79021
}

Semantic roles & 50–950 ramp

primary

#F3EB4E

secondary

#2D33B9

accent

#0DE402

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160C

muted

#86857F

Preview Lab

Preview with #F3EB4E

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

Preview Lab → · Contrast checker → · Palette generator →