#F5EC59#F5EC59

#F5EC59 is a very light, vivid yellow. Relative luminance 0.801; OKLCH L 92.4% C 0.164 H 105.8°. Best body text is #000000 at 17.02:1 contrast (WCAG AA passes).

Color values

HEX	#F5EC59
RGB	rgb(245, 236, 89)
HSL	hsl(57, 89%, 65%)
HSV	hsv(57, 64%, 96%)
CMYK	cmyk(0%, 3.7%, 63.7%, 3.9%)
CIE-LAB	lab(91.74, -14.04, 69.74)
CIE-LCH	lch(91.74, 71.14, 101.38°)
OKLab	oklab(92.4% -0.0447 0.1578)
OKLCH	oklch(92.4% 0.164 105.8)
XYZ	xyz(69.4573, 80.1270, 21.2566)
Luminance	0.8013 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5EC59 #5962F5

analogous

#F59E59 #F5EC59 #B0F559

triadic

#F5EC59 #59F5EC #EC59F5

tetradic

#F5EC59 #59F59E #5962F5 #F559B0

square

#F5EC59 #59F59E #5962F5 #F559B0

split-complementary

#F5EC59 #59B0F5 #9E59F5

monochromatic

#C8BD0C #F2E51F #F5EC59 #F8F393 #FCF9CC

Accessibility & contrast

On white

1.23

#F5EC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.02

#F5EC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5EC59

17.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5EC59	#FFFFFF	#000000	##000000
##F5EC59	1.00	1.23	17.02	17.02
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.02	21.00	1.00	1.00
##000000	17.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE446

Deuteranopia (green-blind)

#FFEA62

Tritanopia (blue-blind)

#FFDDCE

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #f5ec59;
/* rgb */ color: rgb(245, 236, 89);
/* oklch */ color: oklch(92.4% 0.164 105.8);

Tailwind

colors: {
  custom: {
    50: '#fcf18f',
    500: '#f5ec59',
    950: '#000000',
  },
}

SCSS

$custom: #f5ec59;
$custom-light: #fcf18f;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ec59",
  "rgb": {
    "r": 245,
    "g": 236,
    "b": 89
  },
  "hsl": {
    "h": 56.538,
    "s": 88.636,
    "l": 65.49
  },
  "oklch": {
    "l": 0.92398,
    "c": 0.16396,
    "h": 105.8
  },
  "luminance": 0.80125
}

Semantic roles & 50–950 ramp

primary

#F5EC59

secondary

#2E37C4

accent

#0DE500

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #F5EC59

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

Preview Lab → · Contrast checker → · Palette generator →