#FFBF40#FFBF40

#FFBF40 is a very light, vivid orange. Relative luminance 0.589; OKLCH L 84.3% C 0.154 H 80.4°. Best body text is #000000 at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#FFBF40
RGB	rgb(255, 191, 64)
HSL	hsl(40, 100%, 63%)
HSV	hsv(40, 75%, 100%)
CMYK	cmyk(0%, 25.1%, 74.9%, 0%)
CIE-LAB	lab(81.23, 11.70, 69.12)
CIE-LCH	lch(81.23, 70.11, 80.39°)
OKLab	oklab(84.25% 0.0257 0.1518)
OKLCH	oklch(84.25% 0.154 80.4)
XYZ	xyz(60.8003, 58.8964, 13.0154)
Luminance	0.5889 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFBF40 #4080FF

analogous

#FF5F40 #FFBF40 #E0FF40

triadic

#FFBF40 #40FFBF #BF40FF

tetradic

#FFBF40 #40FF5F #4080FF #FF40E0

square

#FFBF40 #40FF5F #4080FF #FF40E0

split-complementary

#FFBF40 #40E0FF #5F40FF

monochromatic

#C58300 #FFAA03 #FFBF40 #FFD47D #FFE8BA

Accessibility & contrast

On white

1.64

#FFBF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.78

#FFBF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFBF40

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFBF40	#FFFFFF	#000000	##000000
##FFBF40	1.00	1.64	12.78	12.78
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.78	21.00	1.00	1.00
##000000	12.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C02C

Deuteranopia (green-blind)

#E8D045

Tritanopia (blue-blind)

#FFACA6

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #ffbf40;
/* rgb */ color: rgb(255, 191, 64);
/* oklch */ color: oklch(84.3% 0.154 80.4);

Tailwind

colors: {
  custom: {
    50: '#ffd27d',
    500: '#ffbf40',
    950: '#000000',
  },
}

SCSS

$custom: #ffbf40;
$custom-light: #ffd27d;
$custom-dark: #000000;

JSON

{
  "hex": "#ffbf40",
  "rgb": {
    "r": 255,
    "g": 191,
    "b": 64
  },
  "hsl": {
    "h": 39.895,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.84253,
    "c": 0.15393,
    "h": 80.4
  },
  "luminance": 0.58892
}

Semantic roles & 50–950 ramp

primary

#FFBF40

secondary

#2257C1

accent

#4DE600

background

#FFFEFB

surface

#FFFBF2

border

#D7D4CC

text

#19140A

muted

#87837D

Preview Lab

Preview with #FFBF40

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

Preview Lab → · Contrast checker → · Palette generator →