#F5EF81#F5EF81

#F5EF81 is a very light, vivid yellow. Relative luminance 0.827; OKLCH L 93.4% C 0.132 H 105.9°. Best body text is #000000 at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#F5EF81
RGB	rgb(245, 239, 129)
HSL	hsl(57, 85%, 73%)
HSV	hsv(57, 47%, 96%)
CMYK	cmyk(0%, 2.4%, 47.3%, 3.9%)
CIE-LAB	lab(92.90, -12.57, 53.53)
CIE-LCH	lch(92.90, 54.98, 103.21°)
OKLab	oklab(93.44% -0.0363 0.1274)
OKLCH	oklch(93.44% 0.132 105.9)
XYZ	xyz(72.4869, 82.7324, 32.9152)
Luminance	0.8273 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5EF81 #8187F5

analogous

#F5B581 #F5EF81 #C1F581

triadic

#F5EF81 #81F5EF #EF81F5

tetradic

#F5EF81 #81F5B5 #8187F5 #F581C1

square

#F5EF81 #81F5B5 #8187F5 #F581C1

split-complementary

#F5EF81 #81C1F5 #B581F5

monochromatic

#E9DE13 #F0E848 #F5EF81 #F9F6BA #FDFBE3

Accessibility & contrast

On white

1.20

#F5EF81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.55

#F5EF81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5EF81

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5EF81	#FFFFFF	#000000	##000000
##F5EF81	1.00	1.20	17.55	17.55
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.55	21.00	1.00	1.00
##000000	17.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE877

Deuteranopia (green-blind)

#FFED86

Tritanopia (blue-blind)

#FFE2D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #f5ef81;
/* rgb */ color: rgb(245, 239, 129);
/* oklch */ color: oklch(93.4% 0.132 105.9);

Tailwind

colors: {
  custom: {
    50: '#faf4a8',
    500: '#f5ef81',
    950: '#000000',
  },
}

SCSS

$custom: #f5ef81;
$custom-light: #faf4a8;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ef81",
  "rgb": {
    "r": 245,
    "g": 239,
    "b": 129
  },
  "hsl": {
    "h": 56.897,
    "s": 85.294,
    "l": 73.333
  },
  "oklch": {
    "l": 0.9344,
    "c": 0.13247,
    "h": 105.9
  },
  "luminance": 0.8273
}

Semantic roles & 50–950 ramp

primary

#F5EF81

secondary

#4950D1

accent

#0FE204

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #F5EF81

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

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