#EF8559#EF8559

#EF8559 is a light, vivid orange. Relative luminance 0.358; OKLCH L 72.4% C 0.143 H 42.7°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#EF8559
RGB	rgb(239, 133, 89)
HSL	hsl(18, 82%, 64%)
HSV	hsv(18, 63%, 94%)
CMYK	cmyk(0%, 44.4%, 62.8%, 6.3%)
CIE-LAB	lab(66.41, 36.77, 41.24)
CIE-LCH	lch(66.41, 55.25, 48.28°)
OKLab	oklab(72.42% 0.1049 0.0967)
OKLCH	oklch(72.42% 0.143 42.7)
XYZ	xyz(45.7910, 35.8520, 13.9579)
Luminance	0.3585 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF8559 #59C3EF

analogous

#EF5978 #EF8559 #EFD059

triadic

#EF8559 #59EF85 #8559EF

tetradic

#EF8559 #78EF59 #59C3EF #D059EF

square

#EF8559 #78EF59 #59C3EF #D059EF

split-complementary

#EF8559 #59EFD0 #5978EF

monochromatic

#BC4412 #EA5C21 #EF8559 #F4AE91 #FAD7C9

Accessibility & contrast

On white

2.57

#EF8559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#EF8559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EF8559

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF8559	#FFFFFF	#000000	##000000
##EF8559	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A19355

Deuteranopia (green-blind)

#BBAA58

Tritanopia (blue-blind)

#FF717B

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #ef8559;
/* rgb */ color: rgb(239, 133, 89);
/* oklch */ color: oklch(72.4% 0.143 42.7);

Tailwind

colors: {
  custom: {
    50: '#faaa89',
    500: '#ef8559',
    950: '#000000',
  },
}

SCSS

$custom: #ef8559;
$custom-light: #faaa89;
$custom-dark: #000000;

JSON

{
  "hex": "#ef8559",
  "rgb": {
    "r": 239,
    "g": 133,
    "b": 89
  },
  "hsl": {
    "h": 17.6,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.72418,
    "c": 0.14268,
    "h": 42.7
  },
  "luminance": 0.35847
}

Semantic roles & 50–950 ramp

primary

#EF8559

secondary

#B8DDEC

accent

#9FDF07

background

#FFFAF8

surface

#FFF4F0

border

#D7CECB

text

#18100B

muted

#867F7C

Preview Lab

Preview with #EF8559

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

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