#FFB640#FFB640

#FFB640 is a very light, vivid orange. Relative luminance 0.551; OKLCH L 82.6% C 0.153 H 75.1°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#FFB640
RGB	rgb(255, 182, 64)
HSL	hsl(37, 100%, 63%)
HSV	hsv(37, 75%, 100%)
CMYK	cmyk(0%, 28.6%, 74.9%, 0%)
CIE-LAB	lab(79.09, 16.39, 67.06)
CIE-LCH	lch(79.09, 69.03, 76.27°)
OKLab	oklab(82.58% 0.0393 0.1474)
OKLCH	oklch(82.58% 0.153 75.1)
XYZ	xyz(58.8976, 55.0910, 12.3812)
Luminance	0.5509 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFB640 #4089FF

analogous

#FF5640 #FFB640 #E9FF40

triadic

#FFB640 #40FFB6 #B640FF

tetradic

#FFB640 #40FF56 #4089FF #FF40E9

square

#FFB640 #40FF56 #4089FF #FF40E9

split-complementary

#FFB640 #40E9FF #5640FF

monochromatic

#C57900 #FF9F03 #FFB640 #FFCD7D #FFE5BA

Accessibility & contrast

On white

1.75

#FFB640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.02

#FFB640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFB640

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFB640	#FFFFFF	#000000	##000000
##FFB640	1.00	1.75	12.02	12.02
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.02	21.00	1.00	1.00
##000000	12.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B92E

Deuteranopia (green-blind)

#E2CB44

Tritanopia (blue-blind)

#FFA39E

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #ffb640;
/* rgb */ color: rgb(255, 182, 64);
/* oklch */ color: oklch(82.6% 0.153 75.1);

Tailwind

colors: {
  custom: {
    50: '#ffcb7c',
    500: '#ffb640',
    950: '#000000',
  },
}

SCSS

$custom: #ffb640;
$custom-light: #ffcb7c;
$custom-dark: #000000;

JSON

{
  "hex": "#ffb640",
  "rgb": {
    "r": 255,
    "g": 182,
    "b": 64
  },
  "hsl": {
    "h": 37.068,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.82579,
    "c": 0.15252,
    "h": 75.1
  },
  "luminance": 0.55086
}

Semantic roles & 50–950 ramp

primary

#FFB640

secondary

#225FC1

accent

#58E600

background

#FFFDFB

surface

#FFF9F2

border

#D7D2CC

text

#19130A

muted

#87827D

Preview Lab

Preview with #FFB640

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

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