#F3F959#F3F959

#F3F959 is a very light, vivid yellow. Relative luminance 0.875; OKLCH L 94.9% C 0.177 H 111.4°. Best body text is #000000 at 18.51:1 contrast (WCAG AA passes).

Color values

HEX	#F3F959
RGB	rgb(243, 249, 89)
HSL	hsl(62, 93%, 66%)
HSV	hsv(62, 64%, 98%)
CMYK	cmyk(2.4%, 0%, 64.3%, 2.4%)
CIE-LAB	lab(94.96, -21.14, 73.04)
CIE-LCH	lch(94.96, 76.04, 106.14°)
OKLab	oklab(94.93% -0.0646 0.1648)
OKLCH	oklch(94.93% 0.177 111.4)
XYZ	xyz(72.6432, 87.5291, 22.5174)
Luminance	0.8753 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F959 #5F59F9

analogous

#F9AF59 #F3F959 #A3F959

triadic

#F3F959 #59F3F9 #F959F3

tetradic

#F3F959 #59F9AF #5F59F9 #F959A3

square

#F3F959 #59F9AF #5F59F9 #F959A3

split-complementary

#F3F959 #59A3F9 #AF59F9

monochromatic

#C9D008 #EFF71E #F3F959 #F7FB94 #FCFDCF

Accessibility & contrast

On white

1.13

#F3F959 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.51

#F3F959 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F959

18.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F959	#FFFFFF	#000000	##000000
##F3F959	1.00	1.13	18.51	18.51
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.51	21.00	1.00	1.00
##000000	18.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE43

Deuteranopia (green-blind)

#FFF364

Tritanopia (blue-blind)

#FFEAD8

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #f3f959;
/* rgb */ color: rgb(243, 249, 89);
/* oklch */ color: oklch(94.9% 0.177 111.4);

Tailwind

colors: {
  custom: {
    50: '#fafb90',
    500: '#f3f959',
    950: '#000000',
  },
}

SCSS

$custom: #f3f959;
$custom-light: #fafb90;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f959",
  "rgb": {
    "r": 243,
    "g": 249,
    "b": 89
  },
  "hsl": {
    "h": 62.25,
    "s": 93.023,
    "l": 66.275
  },
  "oklch": {
    "l": 0.94929,
    "c": 0.17699,
    "h": 111.4
  },
  "luminance": 0.87527
}

Semantic roles & 50–950 ramp

primary

#F3F959

secondary

#312BCB

accent

#00E609

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F959

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

Preview Lab → · Contrast checker → · Palette generator →