#FF9F40#FF9F40

#FF9F40 is a light, vivid orange. Relative luminance 0.464; OKLCH L 78.5% C 0.155 H 61.3°. Best body text is #000000 at 10.29:1 contrast (WCAG AA passes).

Color values

HEX#FF9F40
RGBrgb(255, 159, 64)
HSLhsl(30, 100%, 63%)
HSVhsv(30, 75%, 100%)
CMYKcmyk(0%, 37.6%, 74.9%, 0%)
CIE-LABlab(73.82, 28.39, 61.90)
CIE-LCHlch(73.82, 68.10, 65.36°)
OKLaboklab(78.48% 0.0746 0.1363)
OKLCHoklch(78.48% 0.155 61.3)
XYZxyz(54.5680, 46.4319, 10.9380)
Luminance0.4643 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#FF9F40 #40A0FF
analogous
#FF4040 #FF9F40 #FFFF40
triadic
#FF9F40 #40FF9F #9F40FF
tetradic
#FF9F40 #40FF40 #40A0FF #FF40FF
square
#FF9F40 #40FF40 #40A0FF #FF40FF
split-complementary
#FF9F40 #40FFFF #4040FF
monochromatic
#C56200 #FF8003 #FF9F40 #FFBE7D #FFDDBA

Accessibility & contrast

On white

2.04
#FF9F40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.29
#FF9F40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF9F40
10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##FF9F40#FFFFFF#000000##000000
##FF9F401.002.0410.2910.29
#FFFFFF2.041.0021.0021.00
#00000010.2921.001.001.00
##00000010.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDA833
Deuteranopia (green-blind)
#D3BE41
Tritanopia (blue-blind)
#FF898B
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #ff9f40;
/* rgb */ color: rgb(255, 159, 64);
/* oklch */ color: oklch(78.5% 0.155 61.3);
Tailwind
colors: {
  custom: {
    50: '#ffbb7a',
    500: '#ff9f40',
    950: '#000000',
  },
}
SCSS
$custom: #ff9f40;
$custom-light: #ffbb7a;
$custom-dark: #000000;
JSON
{
  "hex": "#ff9f40",
  "rgb": {
    "r": 255,
    "g": 159,
    "b": 64
  },
  "hsl": {
    "h": 29.843,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.78482,
    "c": 0.1554,
    "h": 61.3
  },
  "luminance": 0.46426
}

Semantic roles & 50–950 ramp

primary
#FF9F40
secondary
#ABCEF0
accent
#73E600
background
#FFFBF7
surface
#FFF6EE
border
#D7D0C9
text
#1A120A
muted
#87817C

Preview Lab

Preview with #FF9F40

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

Preview Lab → · Contrast checker → · Palette generator →

#FF9F40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva