#F9F37B#F9F37B

#F9F37B is a very light, vivid yellow. Relative luminance 0.857; OKLCH L 94.5% C 0.142 H 106.2°. Best body text is #000000 at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#F9F37B
RGB	rgb(249, 243, 123)
HSL	hsl(57, 91%, 73%)
HSV	hsv(57, 51%, 98%)
CMYK	cmyk(0%, 2.4%, 50.6%, 2.4%)
CIE-LAB	lab(94.17, -13.47, 57.91)
CIE-LCH	lch(94.17, 59.45, 103.10°)
OKLab	oklab(94.51% -0.0397 0.1364)
OKLCH	oklch(94.51% 0.142 106.2)
XYZ	xyz(74.6946, 85.6731, 31.3369)
Luminance	0.8567 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F37B #7B81F9

analogous

#F9B47B #F9F37B #C0F97B

triadic

#F9F37B #7BF9F3 #F37BF9

tetradic

#F9F37B #7BF9B4 #7B81F9 #F97BC0

square

#F9F37B #7BF9B4 #7B81F9 #F97BC0

split-complementary

#F9F37B #7BC0F9 #B47BF9

monochromatic

#EFE40B #F6EE40 #F9F37B #FCF8B6 #FEFCE2

Accessibility & contrast

On white

1.16

#F9F37B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.13

#F9F37B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F37B

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F37B	#FFFFFF	#000000	##000000
##F9F37B	1.00	1.16	18.13	18.13
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.13	21.00	1.00	1.00
##000000	18.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB70

Deuteranopia (green-blind)

#FFF181

Tritanopia (blue-blind)

#FFE6D8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f9f37b;
/* rgb */ color: rgb(249, 243, 123);
/* oklch */ color: oklch(94.5% 0.142 106.2);

Tailwind

colors: {
  custom: {
    50: '#fdf6a4',
    500: '#f9f37b',
    950: '#000000',
  },
}

SCSS

$custom: #f9f37b;
$custom-light: #fdf6a4;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f37b",
  "rgb": {
    "r": 249,
    "g": 243,
    "b": 123
  },
  "hsl": {
    "h": 57.143,
    "s": 91.304,
    "l": 72.941
  },
  "oklch": {
    "l": 0.94509,
    "c": 0.14208,
    "h": 106.2
  },
  "luminance": 0.85671
}

Semantic roles & 50–950 ramp

primary

#F9F37B

secondary

#434AD6

accent

#0BE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F9F37B

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

Preview Lab → · Contrast checker → · Palette generator →