#F3ED59#F3ED59

#F3ED59 is a very light, vivid yellow. Relative luminance 0.803; OKLCH L 92.4% C 0.165 H 107.0°. Best body text is #000000 at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#F3ED59
RGB	rgb(243, 237, 89)
HSL	hsl(58, 87%, 65%)
HSV	hsv(58, 63%, 95%)
CMYK	cmyk(0%, 2.5%, 63.4%, 4.7%)
CIE-LAB	lab(91.84, -15.34, 69.79)
CIE-LCH	lch(91.84, 71.46, 102.40°)
OKLab	oklab(92.44% -0.0482 0.1579)
OKLCH	oklch(92.44% 0.165 107)
XYZ	xyz(69.0519, 80.3466, 21.3203)
Luminance	0.8034 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3ED59 #595FF3

analogous

#F3A059 #F3ED59 #ACF359

triadic

#F3ED59 #59F3ED #ED59F3

tetradic

#F3ED59 #59F3A0 #595FF3 #F359AC

square

#F3ED59 #59F3A0 #595FF3 #F359AC

split-complementary

#F3ED59 #59ACF3 #A059F3

monochromatic

#C3BC0E #EFE720 #F3ED59 #F7F392 #FBF9CB

Accessibility & contrast

On white

1.23

#F3ED59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.07

#F3ED59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3ED59

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3ED59	#FFFFFF	#000000	##000000
##F3ED59	1.00	1.23	17.07	17.07
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.07	21.00	1.00	1.00
##000000	17.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE446

Deuteranopia (green-blind)

#FFEA62

Tritanopia (blue-blind)

#FFDECE

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #f3ed59;
/* rgb */ color: rgb(243, 237, 89);
/* oklch */ color: oklch(92.4% 0.165 107.0);

Tailwind

colors: {
  custom: {
    50: '#faf28f',
    500: '#f3ed59',
    950: '#000000',
  },
}

SCSS

$custom: #f3ed59;
$custom-light: #faf28f;
$custom-dark: #000000;

JSON

{
  "hex": "#f3ed59",
  "rgb": {
    "r": 243,
    "g": 237,
    "b": 89
  },
  "hsl": {
    "h": 57.662,
    "s": 86.517,
    "l": 65.098
  },
  "oklch": {
    "l": 0.92437,
    "c": 0.16513,
    "h": 107
  },
  "luminance": 0.80344
}

Semantic roles & 50–950 ramp

primary

#F3ED59

secondary

#2F35C1

accent

#0BE302

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #F3ED59

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

Preview Lab → · Contrast checker → · Palette generator →