#FFB740#FFB740

#FFB740 is a very light, vivid orange. Relative luminance 0.555; OKLCH L 82.8% C 0.153 H 75.7°. Best body text is #000000 at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#FFB740
RGB	rgb(255, 183, 64)
HSL	hsl(37, 100%, 63%)
HSV	hsv(37, 75%, 100%)
CMYK	cmyk(0%, 28.2%, 74.9%, 0%)
CIE-LAB	lab(79.33, 15.87, 67.29)
CIE-LCH	lch(79.33, 69.13, 76.73°)
OKLab	oklab(82.76% 0.0378 0.1478)
OKLCH	oklch(82.76% 0.153 75.7)
XYZ	xyz(59.1031, 55.5020, 12.4497)
Luminance	0.5550 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFB740 #4088FF

analogous

#FF5740 #FFB740 #E8FF40

triadic

#FFB740 #40FFB7 #B740FF

tetradic

#FFB740 #40FF57 #4088FF #FF40E8

square

#FFB740 #40FF57 #4088FF #FF40E8

split-complementary

#FFB740 #40E8FF #5740FF

monochromatic

#C57A00 #FFA003 #FFB740 #FFCE7D #FFE5BA

Accessibility & contrast

On white

1.74

#FFB740 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.10

#FFB740 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFB740

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFB740	#FFFFFF	#000000	##000000
##FFB740	1.00	1.74	12.10	12.10
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.10	21.00	1.00	1.00
##000000	12.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA2E

Deuteranopia (green-blind)

#E2CC44

Tritanopia (blue-blind)

#FFA49F

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #ffb740;
/* rgb */ color: rgb(255, 183, 64);
/* oklch */ color: oklch(82.8% 0.153 75.7);

Tailwind

colors: {
  custom: {
    50: '#ffcc7c',
    500: '#ffb740',
    950: '#000000',
  },
}

SCSS

$custom: #ffb740;
$custom-light: #ffcc7c;
$custom-dark: #000000;

JSON

{
  "hex": "#ffb740",
  "rgb": {
    "r": 255,
    "g": 183,
    "b": 64
  },
  "hsl": {
    "h": 37.382,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.82763,
    "c": 0.1526,
    "h": 75.7
  },
  "luminance": 0.55497
}

Semantic roles & 50–950 ramp

primary

#FFB740

secondary

#225EC1

accent

#57E600

background

#FFFEFB

surface

#FFFAF2

border

#D7D3CC

text

#19130A

muted

#87837D

Preview Lab

Preview with #FFB740

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

Preview Lab → · Contrast checker → · Palette generator →