#F3D151#F3D151

#F3D151 is a very light, vivid yellow. Relative luminance 0.652; OKLCH L 86.7% C 0.148 H 94.1°. Best body text is #000000 at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#F3D151
RGB	rgb(243, 209, 81)
HSL	hsl(47, 87%, 64%)
HSV	hsv(47, 67%, 95%)
CMYK	cmyk(0%, 14%, 66.7%, 4.7%)
CIE-LAB	lab(84.61, -1.80, 65.46)
CIE-LCH	lch(84.61, 65.48, 91.58°)
OKLab	oklab(86.68% -0.0106 0.1475)
OKLCH	oklch(86.68% 0.148 94.1)
XYZ	xyz(61.2508, 65.2530, 17.1518)
Luminance	0.6525 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3D151 #5173F3

analogous

#F38051 #F3D151 #C4F351

triadic

#F3D151 #51F3D1 #D151F3

tetradic

#F3D151 #51F380 #5173F3 #F351C4

square

#F3D151 #51F380 #5173F3 #F351C4

split-complementary

#F3D151 #51C4F3 #8051F3

monochromatic

#BD980D #EFC218 #F3D151 #F7E08A #FBEFC4

Accessibility & contrast

On white

1.49

#F3D151 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.05

#F3D151 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3D151

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3D151	#FFFFFF	#000000	##000000
##F3D151	1.00	1.49	14.05	14.05
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.05	21.00	1.00	1.00
##000000	14.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CD41

Deuteranopia (green-blind)

#EFD858

Tritanopia (blue-blind)

#FFC1B6

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #f3d151;
/* rgb */ color: rgb(243, 209, 81);
/* oklch */ color: oklch(86.7% 0.148 94.1);

Tailwind

colors: {
  custom: {
    50: '#fbde88',
    500: '#f3d151',
    950: '#000000',
  },
}

SCSS

$custom: #f3d151;
$custom-light: #fbde88;
$custom-dark: #000000;

JSON

{
  "hex": "#f3d151",
  "rgb": {
    "r": 243,
    "g": 209,
    "b": 81
  },
  "hsl": {
    "h": 47.407,
    "s": 87.097,
    "l": 63.529
  },
  "oklch": {
    "l": 0.86682,
    "c": 0.14792,
    "h": 94.1
  },
  "luminance": 0.6525
}

Semantic roles & 50–950 ramp

primary

#F3D151

secondary

#2D4BBB

accent

#31E402

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #F3D151

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

Preview Lab → · Contrast checker → · Palette generator →