#FFB540#FFB540

#FFB540 is a very light, vivid orange. Relative luminance 0.547; OKLCH L 82.4% C 0.152 H 74.5°. Best body text is #000000 at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#FFB540
RGB	rgb(255, 181, 64)
HSL	hsl(37, 100%, 63%)
HSV	hsv(37, 75%, 100%)
CMYK	cmyk(0%, 29%, 74.9%, 0%)
CIE-LAB	lab(78.86, 16.91, 66.83)
CIE-LCH	lch(78.86, 68.94, 75.80°)
OKLab	oklab(82.4% 0.0409 0.1469)
OKLCH	oklch(82.4% 0.152 74.5)
XYZ	xyz(58.6935, 54.6829, 12.3131)
Luminance	0.5468 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFB540 #408AFF

analogous

#FF5640 #FFB540 #E9FF40

triadic

#FFB540 #40FFB5 #B540FF

tetradic

#FFB540 #40FF56 #408AFF #FF40E9

square

#FFB540 #40FF56 #408AFF #FF40E9

split-complementary

#FFB540 #40E9FF #5640FF

monochromatic

#C57800 #FF9D03 #FFB540 #FFCD7D #FFE4BA

Accessibility & contrast

On white

1.76

#FFB540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.94

#FFB540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFB540

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFB540	#FFFFFF	#000000	##000000
##FFB540	1.00	1.76	11.94	11.94
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.94	21.00	1.00	1.00
##000000	11.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B92E

Deuteranopia (green-blind)

#E1CA44

Tritanopia (blue-blind)

#FFA29E

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #ffb540;
/* rgb */ color: rgb(255, 181, 64);
/* oklch */ color: oklch(82.4% 0.152 74.5);

Tailwind

colors: {
  custom: {
    50: '#ffcb7c',
    500: '#ffb540',
    950: '#000000',
  },
}

SCSS

$custom: #ffb540;
$custom-light: #ffcb7c;
$custom-dark: #000000;

JSON

{
  "hex": "#ffb540",
  "rgb": {
    "r": 255,
    "g": 181,
    "b": 64
  },
  "hsl": {
    "h": 36.754,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.82395,
    "c": 0.15245,
    "h": 74.5
  },
  "luminance": 0.54678
}

Semantic roles & 50–950 ramp

primary

#FFB540

secondary

#2260C1

accent

#59E600

background

#FFFDFB

surface

#FFF9F2

border

#D7D2CC

text

#19130A

muted

#87827D

Preview Lab

Preview with #FFB540

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

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