#F3E25B#F3E25B

#F3E25B is a very light, vivid yellow. Relative luminance 0.742; OKLCH L 90.2% C 0.154 H 102.1°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#F3E25B
RGB	rgb(243, 226, 91)
HSL	hsl(53, 86%, 65%)
HSV	hsv(53, 63%, 95%)
CMYK	cmyk(0%, 7%, 62.6%, 4.7%)
CIE-LAB	lab(89.02, -9.80, 65.99)
CIE-LCH	lch(89.02, 66.72, 98.44°)
OKLab	oklab(90.2% -0.0323 0.1502)
OKLCH	oklch(90.2% 0.154 102.1)
XYZ	xyz(66.0494, 74.2054, 20.7394)
Luminance	0.7420 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3E25B #5B6CF3

analogous

#F3965B #F3E25B #B8F35B

triadic

#F3E25B #5BF3E2 #E25BF3

tetradic

#F3E25B #5BF396 #5B6CF3 #F35BB8

square

#F3E25B #5BF396 #5B6CF3 #F35BB8

split-complementary

#F3E25B #5BB8F3 #965BF3

monochromatic

#C5B10E #EFD822 #F3E25B #F7EC94 #FBF6CD

Accessibility & contrast

On white

1.33

#F3E25B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.84

#F3E25B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3E25B

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3E25B	#FFFFFF	#000000	##000000
##F3E25B	1.00	1.33	15.84	15.84
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.84	21.00	1.00	1.00
##000000	15.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DB4B

Deuteranopia (green-blind)

#FAE362

Tritanopia (blue-blind)

#FFD3C6

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #f3e25b;
/* rgb */ color: rgb(243, 226, 91);
/* oklch */ color: oklch(90.2% 0.154 102.1);

Tailwind

colors: {
  custom: {
    50: '#faea8f',
    500: '#f3e25b',
    950: '#000000',
  },
}

SCSS

$custom: #f3e25b;
$custom-light: #faea8f;
$custom-dark: #000000;

JSON

{
  "hex": "#f3e25b",
  "rgb": {
    "r": 243,
    "g": 226,
    "b": 91
  },
  "hsl": {
    "h": 53.289,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.90198,
    "c": 0.15361,
    "h": 102.1
  },
  "luminance": 0.74203
}

Semantic roles & 50–950 ramp

primary

#F3E25B

secondary

#3040C2

accent

#1CE303

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #F3E25B

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

Preview Lab → · Contrast checker → · Palette generator →