#EFC645#EFC645

#EFC645 is a very light, vivid yellow. Relative luminance 0.592; OKLCH L 84.0% C 0.149 H 90.8°. Best body text is #000000 at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#EFC645
RGB	rgb(239, 198, 69)
HSL	hsl(46, 84%, 60%)
HSV	hsv(46, 71%, 94%)
CMYK	cmyk(0%, 17.2%, 71.1%, 6.3%)
CIE-LAB	lab(81.39, 1.55, 66.83)
CIE-LCH	lch(81.39, 66.85, 88.67°)
OKLab	oklab(84.02% -0.0021 0.1485)
OKLCH	oklch(84.02% 0.149 90.8)
XYZ	xyz(56.8680, 59.1720, 14.0551)
Luminance	0.5917 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC645 #456EEF

analogous

#EF7145 #EFC645 #C3EF45

triadic

#EFC645 #45EFC6 #C645EF

tetradic

#EFC645 #45EF71 #456EEF #EF45C3

square

#EFC645 #45EF71 #456EEF #EF45C3

split-complementary

#EFC645 #45C3EF #7145EF

monochromatic

#AB850F #E3B114 #EFC645 #F4D77D #F9E9B6

Accessibility & contrast

On white

1.64

#EFC645 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.83

#EFC645 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC645

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC645	#FFFFFF	#000000	##000000
##EFC645	1.00	1.64	12.83	12.83
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.83	21.00	1.00	1.00
##000000	12.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC332

Deuteranopia (green-blind)

#E6CF4C

Tritanopia (blue-blind)

#FFB6AC

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #efc645;
/* rgb */ color: rgb(239, 198, 69);
/* oklch */ color: oklch(84.0% 0.149 90.8);

Tailwind

colors: {
  custom: {
    50: '#f9d680',
    500: '#efc645',
    950: '#000000',
  },
}

SCSS

$custom: #efc645;
$custom-light: #f9d680;
$custom-dark: #000000;

JSON

{
  "hex": "#efc645",
  "rgb": {
    "r": 239,
    "g": 198,
    "b": 69
  },
  "hsl": {
    "h": 45.529,
    "s": 84.158,
    "l": 60.392
  },
  "oklch": {
    "l": 0.84019,
    "c": 0.14853,
    "h": 90.8
  },
  "luminance": 0.59169
}

Semantic roles & 50–950 ramp

primary

#EFC645

secondary

#2C4BAC

accent

#3AE105

background

#FFFEFB

surface

#FFFBF2

border

#D7D4CC

text

#18140B

muted

#86837E

Preview Lab

Preview with #EFC645

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

Preview Lab → · Contrast checker → · Palette generator →