#F5CF5B#F5CF5B

#F5CF5B is a very light, vivid yellow. Relative luminance 0.648; OKLCH L 86.6% C 0.140 H 91.0°. Best body text is #000000 at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#F5CF5B
RGB	rgb(245, 207, 91)
HSL	hsl(45, 89%, 66%)
HSV	hsv(45, 63%, 96%)
CMYK	cmyk(0%, 15.5%, 62.9%, 3.9%)
CIE-LAB	lab(84.38, 0.64, 61.02)
CIE-LCH	lch(84.38, 61.03, 89.40°)
OKLab	oklab(86.57% -0.0025 0.1396)
OKLCH	oklch(86.57% 0.14 91)
XYZ	xyz(61.8603, 64.7969, 19.1442)
Luminance	0.6479 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5CF5B #5B81F5

analogous

#F5825B #F5CF5B #CEF55B

triadic

#F5CF5B #5BF5CF #CF5BF5

tetradic

#F5CF5B #5BF582 #5B81F5 #F55BCE

square

#F5CF5B #5BF582 #5B81F5 #F55BCE

split-complementary

#F5CF5B #5BCEF5 #825BF5

monochromatic

#C99B0C #F1BE21 #F5CF5B #F9E095 #FCF1CE

Accessibility & contrast

On white

1.50

#F5CF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.96

#F5CF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5CF5B

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5CF5B	#FFFFFF	#000000	##000000
##F5CF5B	1.00	1.50	13.96	13.96
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.96	21.00	1.00	1.00
##000000	13.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CC4E

Deuteranopia (green-blind)

#EDD760

Tritanopia (blue-blind)

#FFC0B6

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #f5cf5b;
/* rgb */ color: rgb(245, 207, 91);
/* oklch */ color: oklch(86.6% 0.140 91.0);

Tailwind

colors: {
  custom: {
    50: '#fcdd8e',
    500: '#f5cf5b',
    950: '#000000',
  },
}

SCSS

$custom: #f5cf5b;
$custom-light: #fcdd8e;
$custom-dark: #000000;

JSON

{
  "hex": "#f5cf5b",
  "rgb": {
    "r": 245,
    "g": 207,
    "b": 91
  },
  "hsl": {
    "h": 45.195,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.86566,
    "c": 0.13959,
    "h": 91
  },
  "luminance": 0.64793
}

Semantic roles & 50–950 ramp

primary

#F5CF5B

secondary

#2E54C6

accent

#39E500

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #F5CF5B

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

Preview Lab → · Contrast checker → · Palette generator →