#F3F457#F3F457

#F3F457 is a very light, vivid yellow. Relative luminance 0.844; OKLCH L 93.9% C 0.173 H 109.7°. Best body text is #000000 at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#F3F457
RGB	rgb(243, 244, 87)
HSL	hsl(60, 88%, 65%)
HSV	hsv(60, 64%, 96%)
CMYK	cmyk(0.4%, 0%, 64.3%, 4.3%)
CIE-LAB	lab(93.64, -18.85, 72.45)
CIE-LCH	lch(93.64, 74.86, 104.59°)
OKLab	oklab(93.87% -0.0584 0.1632)
OKLCH	oklch(93.87% 0.173 109.7)
XYZ	xyz(71.0354, 84.4461, 21.5728)
Luminance	0.8444 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F457 #5857F4

analogous

#F4A657 #F3F457 #A5F457

triadic

#F3F457 #57F3F4 #F457F3

tetradic

#F3F457 #57F4A6 #5857F4 #F457A5

square

#F3F457 #57F4A6 #5857F4 #F457A5

split-complementary

#F3F457 #57A5F4 #A657F4

monochromatic

#C3C40D #EFF01E #F3F457 #F7F890 #FBFCCA

Accessibility & contrast

On white

1.17

#F3F457 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.89

#F3F457 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F457

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F457	#FFFFFF	#000000	##000000
##F3F457	1.00	1.17	17.89	17.89
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.89	21.00	1.00	1.00
##000000	17.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA41

Deuteranopia (green-blind)

#FFEF61

Tritanopia (blue-blind)

#FFE5D4

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f3f457;
/* rgb */ color: rgb(243, 244, 87);
/* oklch */ color: oklch(93.9% 0.173 109.7);

Tailwind

colors: {
  custom: {
    50: '#faf78e',
    500: '#f3f457',
    950: '#000000',
  },
}

SCSS

$custom: #f3f457;
$custom-light: #faf78e;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f457",
  "rgb": {
    "r": 243,
    "g": 244,
    "b": 87
  },
  "hsl": {
    "h": 60.382,
    "s": 87.709,
    "l": 64.902
  },
  "oklch": {
    "l": 0.93871,
    "c": 0.17335,
    "h": 109.7
  },
  "luminance": 0.84444
}

Semantic roles & 50–950 ramp

primary

#F3F457

secondary

#2F2EC1

accent

#01E403

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F3F457

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

Preview Lab → · Contrast checker → · Palette generator →