#F9F577#F9F577

#F9F577 is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.9% C 0.148 H 107.3°. Best body text is #000000 at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#F9F577
RGB	rgb(249, 245, 119)
HSL	hsl(58, 92%, 72%)
HSV	hsv(58, 52%, 98%)
CMYK	cmyk(0%, 1.6%, 52.2%, 2.4%)
CIE-LAB	lab(94.64, -14.77, 60.27)
CIE-LCH	lch(94.64, 62.05, 103.77°)
OKLab	oklab(94.87% -0.0438 0.1412)
OKLCH	oklch(94.87% 0.148 107.3)
XYZ	xyz(75.0511, 86.7785, 30.2457)
Luminance	0.8678 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F577 #777BF9

analogous

#F9B477 #F9F577 #BCF977

triadic

#F9F577 #77F9F5 #F577F9

tetradic

#F9F577 #77F9B4 #777BF9 #F977BC

square

#F9F577 #77F9B4 #777BF9 #F977BC

split-complementary

#F9F577 #77BCF9 #B477F9

monochromatic

#EBE40A #F6F13C #F9F577 #FCF9B2 #FEFDE2

Accessibility & contrast

On white

1.14

#F9F577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.36

#F9F577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F577

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F577	#FFFFFF	#000000	##000000
##F9F577	1.00	1.14	18.36	18.36
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.36	21.00	1.00	1.00
##000000	18.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6B

Deuteranopia (green-blind)

#FFF27D

Tritanopia (blue-blind)

#FFE7D9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #f9f577;
/* rgb */ color: rgb(249, 245, 119);
/* oklch */ color: oklch(94.9% 0.148 107.3);

Tailwind

colors: {
  custom: {
    50: '#fef8a2',
    500: '#f9f577',
    950: '#000000',
  },
}

SCSS

$custom: #f9f577;
$custom-light: #fef8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f577",
  "rgb": {
    "r": 249,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 58.154,
    "s": 91.549,
    "l": 72.157
  },
  "oklch": {
    "l": 0.94871,
    "c": 0.14781,
    "h": 107.3
  },
  "luminance": 0.86776
}

Semantic roles & 50–950 ramp

primary

#F9F577

secondary

#3F44D5

accent

#07E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F9F577

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

Preview Lab → · Contrast checker → · Palette generator →