#EFC557#EFC557

#EFC557 is a very light, vivid orange. Relative luminance 0.590; OKLCH L 84.0% C 0.135 H 88.1°. Best body text is #000000 at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#EFC557
RGB	rgb(239, 197, 87)
HSL	hsl(43, 83%, 64%)
HSV	hsv(43, 64%, 94%)
CMYK	cmyk(0%, 17.6%, 63.6%, 6.3%)
CIE-LAB	lab(81.28, 3.05, 59.23)
CIE-LCH	lch(81.28, 59.31, 87.05°)
OKLab	oklab(83.98% 0.0044 0.1353)
OKLCH	oklch(83.98% 0.135 88.1)
XYZ	xyz(57.2861, 58.9747, 17.3809)
Luminance	0.5897 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC557 #5781EF

analogous

#EF7957 #EFC557 #CDEF57

triadic

#EFC557 #57EFC5 #C557EF

tetradic

#EFC557 #57EF79 #5781EF #EF57CD

square

#EFC557 #57EF79 #5781EF #EF57CD

split-complementary

#EFC557 #57CDEF #7957EF

monochromatic

#BA8B12 #EAB21F #EFC557 #F4D88F #FAECC7

Accessibility & contrast

On white

1.64

#EFC557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.79

#EFC557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC557

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC557	#FFFFFF	#000000	##000000
##EFC557	1.00	1.64	12.79	12.79
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.79	21.00	1.00	1.00
##000000	12.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC34B

Deuteranopia (green-blind)

#E4CF5C

Tritanopia (blue-blind)

#FFB6AD

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #efc557;
/* rgb */ color: rgb(239, 197, 87);
/* oklch */ color: oklch(84.0% 0.135 88.1);

Tailwind

colors: {
  custom: {
    50: '#f8d68b',
    500: '#efc557',
    950: '#000000',
  },
}

SCSS

$custom: #efc557;
$custom-light: #f8d68b;
$custom-dark: #000000;

JSON

{
  "hex": "#efc557",
  "rgb": {
    "r": 239,
    "g": 197,
    "b": 87
  },
  "hsl": {
    "h": 43.421,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.83979,
    "c": 0.13541,
    "h": 88.1
  },
  "luminance": 0.58971
}

Semantic roles & 50–950 ramp

primary

#EFC557

secondary

#3157B9

accent

#42DF06

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFC557

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

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