#EFC559#EFC559

#EFC559 is a very light, vivid orange. Relative luminance 0.590; OKLCH L 84.0% C 0.134 H 87.9°. Best body text is #000000 at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#EFC559
RGB	rgb(239, 197, 89)
HSL	hsl(43, 82%, 64%)
HSV	hsv(43, 63%, 94%)
CMYK	cmyk(0%, 17.6%, 62.8%, 6.3%)
CIE-LAB	lab(81.30, 3.18, 58.36)
CIE-LCH	lch(81.30, 58.44, 86.89°)
OKLab	oklab(84% 0.005 0.1338)
OKLCH	oklch(84% 0.134 87.9)
XYZ	xyz(57.3689, 59.0079, 17.8172)
Luminance	0.5900 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC559 #5983EF

analogous

#EF7A59 #EFC559 #CEEF59

triadic

#EFC559 #59EFC5 #C559EF

tetradic

#EFC559 #59EF7A #5983EF #EF59CE

square

#EFC559 #59EF7A #5983EF #EF59CE

split-complementary

#EFC559 #59CEEF #7A59EF

monochromatic

#BC8C12 #EAB121 #EFC559 #F4D991 #FAECC9

Accessibility & contrast

On white

1.64

#EFC559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.80

#EFC559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC559

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC559	#FFFFFF	#000000	##000000
##EFC559	1.00	1.64	12.80	12.80
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.80	21.00	1.00	1.00
##000000	12.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC34D

Deuteranopia (green-blind)

#E4CF5D

Tritanopia (blue-blind)

#FFB6AD

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #efc559;
/* rgb */ color: rgb(239, 197, 89);
/* oklch */ color: oklch(84.0% 0.134 87.9);

Tailwind

colors: {
  custom: {
    50: '#f8d68c',
    500: '#efc559',
    950: '#000000',
  },
}

SCSS

$custom: #efc559;
$custom-light: #f8d68c;
$custom-dark: #000000;

JSON

{
  "hex": "#efc559",
  "rgb": {
    "r": 239,
    "g": 197,
    "b": 89
  },
  "hsl": {
    "h": 43.2,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.83999,
    "c": 0.13386,
    "h": 87.9
  },
  "luminance": 0.59004
}

Semantic roles & 50–950 ramp

primary

#EFC559

secondary

#3258BA

accent

#43DF07

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFC559

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

Preview Lab → · Contrast checker → · Palette generator →