#F5EC63#F5EC63

#F5EC63 is a very light, vivid yellow. Relative luminance 0.803; OKLCH L 92.5% C 0.156 H 105.5°. Best body text is #000000 at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#F5EC63
RGB	rgb(245, 236, 99)
HSL	hsl(56, 88%, 67%)
HSV	hsv(56, 60%, 96%)
CMYK	cmyk(0%, 3.7%, 59.6%, 3.9%)
CIE-LAB	lab(91.82, -13.42, 65.73)
CIE-LCH	lch(91.82, 67.08, 101.54°)
OKLab	oklab(92.49% -0.0419 0.1507)
OKLCH	oklch(92.49% 0.156 105.5)
XYZ	xyz(69.9061, 80.3066, 23.6203)
Luminance	0.8030 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5EC63 #636CF5

analogous

#F5A363 #F5EC63 #B5F563

triadic

#F5EC63 #63F5EC #EC63F5

tetradic

#F5EC63 #63F5A3 #636CF5 #F563B5

square

#F5EC63 #63F5A3 #636CF5 #F563B5

split-complementary

#F5EC63 #63B5F5 #A363F5

monochromatic

#D0C40D #F1E529 #F5EC63 #F9F39D #FCFAD6

Accessibility & contrast

On white

1.23

#F5EC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.06

#F5EC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5EC63

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5EC63	#FFFFFF	#000000	##000000
##F5EC63	1.00	1.23	17.06	17.06
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.06	21.00	1.00	1.00
##000000	17.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE453

Deuteranopia (green-blind)

#FFEA6B

Tritanopia (blue-blind)

#FFDECF

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #f5ec63;
/* rgb */ color: rgb(245, 236, 99);
/* oklch */ color: oklch(92.5% 0.156 105.5);

Tailwind

colors: {
  custom: {
    50: '#fbf194',
    500: '#f5ec63',
    950: '#000000',
  },
}

SCSS

$custom: #f5ec63;
$custom-light: #fbf194;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ec63",
  "rgb": {
    "r": 245,
    "g": 236,
    "b": 99
  },
  "hsl": {
    "h": 56.301,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.92487,
    "c": 0.15636,
    "h": 105.5
  },
  "luminance": 0.80304
}

Semantic roles & 50–950 ramp

primary

#F5EC63

secondary

#303ACC

accent

#0FE501

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18160E

muted

#86857F

Preview Lab

Preview with #F5EC63

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

Preview Lab → · Contrast checker → · Palette generator →