#F5F577#F5F577

#F5F577 is a very light, vivid yellow. Relative luminance 0.860; OKLCH L 94.5% C 0.148 H 108.9°. Best body text is #000000 at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#F5F577
RGB	rgb(245, 245, 119)
HSL	hsl(60, 86%, 71%)
HSV	hsv(60, 51%, 96%)
CMYK	cmyk(0%, 0%, 51.4%, 3.9%)
CIE-LAB	lab(94.33, -16.35, 59.83)
CIE-LCH	lch(94.33, 62.02, 105.28°)
OKLab	oklab(94.55% -0.0481 0.1403)
OKLCH	oklch(94.55% 0.148 108.9)
XYZ	xyz(73.6402, 86.0510, 30.1795)
Luminance	0.8605 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5F577 #7777F5

analogous

#F5B677 #F5F577 #B6F577

triadic

#F5F577 #77F5F5 #F577F5

tetradic

#F5F577 #77F5B6 #7777F5 #F577B6

square

#F5F577 #77F5B6 #7777F5 #F577B6

split-complementary

#F5F577 #77B6F5 #B677F5

monochromatic

#E1E111 #F1F13E #F5F577 #F9F9B0 #FDFDE2

Accessibility & contrast

On white

1.15

#F5F577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.21

#F5F577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5F577

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5F577	#FFFFFF	#000000	##000000
##F5F577	1.00	1.15	18.21	18.21
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.21	21.00	1.00	1.00
##000000	18.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC6B

Deuteranopia (green-blind)

#FFF17E

Tritanopia (blue-blind)

#FFE8D9

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #f5f577;
/* rgb */ color: rgb(245, 245, 119);
/* oklch */ color: oklch(94.5% 0.148 108.9);

Tailwind

colors: {
  custom: {
    50: '#fbf8a1',
    500: '#f5f577',
    950: '#000000',
  },
}

SCSS

$custom: #f5f577;
$custom-light: #fbf8a1;
$custom-dark: #000000;

JSON

{
  "hex": "#f5f577",
  "rgb": {
    "r": 245,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 60,
    "s": 86.301,
    "l": 71.373
  },
  "oklch": {
    "l": 0.94548,
    "c": 0.1483,
    "h": 108.9
  },
  "luminance": 0.86049
}

Semantic roles & 50–950 ramp

primary

#F5F577

secondary

#4040D0

accent

#03E303

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F5F577

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

Preview Lab → · Contrast checker → · Palette generator →