#F3E57B#F3E57B

#F3E57B is a very light, vivid yellow. Relative luminance 0.765; OKLCH L 91.2% C 0.128 H 101.8°. Best body text is #000000 at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#F3E57B
RGB	rgb(243, 229, 123)
HSL	hsl(53, 83%, 72%)
HSV	hsv(53, 49%, 95%)
CMYK	cmyk(0%, 5.8%, 49.4%, 4.7%)
CIE-LAB	lab(90.10, -8.93, 52.95)
CIE-LCH	lch(90.10, 53.69, 99.57°)
OKLab	oklab(91.16% -0.0263 0.1257)
OKLCH	oklch(91.16% 0.128 101.8)
XYZ	xyz(68.5586, 76.5257, 29.8946)
Luminance	0.7652 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3E57B #7B89F3

analogous

#F3A97B #F3E57B #C5F37B

triadic

#F3E57B #7BF3E5 #E57BF3

tetradic

#F3E57B #7BF3A9 #7B89F3 #F37BC5

square

#F3E57B #7BF3A9 #7B89F3 #F37BC5

split-complementary

#F3E57B #7BC5F3 #A97BF3

monochromatic

#DFC814 #EEDA43 #F3E57B #F8F0B3 #FCF9E3

Accessibility & contrast

On white

1.29

#F3E57B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.30

#F3E57B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3E57B

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3E57B	#FFFFFF	#000000	##000000
##F3E57B	1.00	1.29	16.30	16.30
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.30	21.00	1.00	1.00
##000000	16.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DF72

Deuteranopia (green-blind)

#FAE580

Tritanopia (blue-blind)

#FFD8CC

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #f3e57b;
/* rgb */ color: rgb(243, 229, 123);
/* oklch */ color: oklch(91.2% 0.128 101.8);

Tailwind

colors: {
  custom: {
    50: '#f9eda3',
    500: '#f3e57b',
    950: '#000000',
  },
}

SCSS

$custom: #f3e57b;
$custom-light: #f9eda3;
$custom-dark: #000000;

JSON

{
  "hex": "#f3e57b",
  "rgb": {
    "r": 243,
    "g": 229,
    "b": 123
  },
  "hsl": {
    "h": 53,
    "s": 83.333,
    "l": 71.765
  },
  "oklch": {
    "l": 0.9116,
    "c": 0.12841,
    "h": 101.8
  },
  "luminance": 0.76523
}

Semantic roles & 50–950 ramp

primary

#F3E57B

secondary

#4454CE

accent

#1FE006

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#18160F

muted

#868480

Preview Lab

Preview with #F3E57B

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

Preview Lab → · Contrast checker → · Palette generator →