#FFC540#FFC540

#FFC540 is a very light, vivid orange. Relative luminance 0.616; OKLCH L 85.4% C 0.156 H 83.8°. Best body text is #000000 at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#FFC540
RGB	rgb(255, 197, 64)
HSL	hsl(42, 100%, 63%)
HSV	hsv(42, 75%, 100%)
CMYK	cmyk(0%, 22.7%, 74.9%, 0%)
CIE-LAB	lab(82.68, 8.59, 70.51)
CIE-LCH	lch(82.68, 71.03, 83.05°)
OKLab	oklab(85.39% 0.0167 0.1547)
OKLCH	oklch(85.39% 0.156 83.8)
XYZ	xyz(62.1357, 61.5672, 13.4605)
Luminance	0.6156 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFC540 #407AFF

analogous

#FF6540 #FFC540 #DAFF40

triadic

#FFC540 #40FFC5 #C540FF

tetradic

#FFC540 #40FF65 #407AFF #FF40DA

square

#FFC540 #40FF65 #407AFF #FF40DA

split-complementary

#FFC540 #40DAFF #6540FF

monochromatic

#C58900 #FFB203 #FFC540 #FFD87D #FFEABA

Accessibility & contrast

On white

1.58

#FFC540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.31

#FFC540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFC540

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFC540	#FFFFFF	#000000	##000000
##FFC540	1.00	1.58	13.31	13.31
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.31	21.00	1.00	1.00
##000000	13.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC52A

Deuteranopia (green-blind)

#ECD446

Tritanopia (blue-blind)

#FFB3AB

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #ffc540;
/* rgb */ color: rgb(255, 197, 64);
/* oklch */ color: oklch(85.4% 0.156 83.8);

Tailwind

colors: {
  custom: {
    50: '#ffd67e',
    500: '#ffc540',
    950: '#000000',
  },
}

SCSS

$custom: #ffc540;
$custom-light: #ffd67e;
$custom-dark: #000000;

JSON

{
  "hex": "#ffc540",
  "rgb": {
    "r": 255,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 41.78,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85389,
    "c": 0.15562,
    "h": 83.8
  },
  "luminance": 0.61563
}

Semantic roles & 50–950 ramp

primary

#FFC540

secondary

#2252C1

accent

#46E600

background

#FFFEFB

surface

#FFFBF2

border

#D7D4CC

text

#19140A

muted

#87837D

Preview Lab

Preview with #FFC540

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

Preview Lab → · Contrast checker → · Palette generator →