#EFC74C#EFC74C

#EFC74C is a very light, vivid yellow. Relative luminance 0.597; OKLCH L 84.3% C 0.145 H 90.7°. Best body text is #000000 at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#EFC74C
RGB	rgb(239, 199, 76)
HSL	hsl(45, 84%, 62%)
HSV	hsv(45, 68%, 94%)
CMYK	cmyk(0%, 16.7%, 68.2%, 6.3%)
CIE-LAB	lab(81.69, 1.39, 64.35)
CIE-LCH	lch(81.69, 64.36, 88.77°)
OKLab	oklab(84.27% -0.0017 0.1445)
OKLCH	oklch(84.27% 0.145 90.7)
XYZ	xyz(57.3276, 59.7228, 15.3442)
Luminance	0.5972 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC74C #4C74EF

analogous

#EF764C #EFC74C #C6EF4C

triadic

#EFC74C #4CEFC7 #C74CEF

tetradic

#EFC74C #4CEF76 #4C74EF #EF4CC6

square

#EFC74C #4CEF76 #4C74EF #EF4CC6

split-complementary

#EFC74C #4CC6EF #764CEF

monochromatic

#B18910 #E9B515 #EFC74C #F4D984 #F9EABC

Accessibility & contrast

On white

1.62

#EFC74C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.94

#EFC74C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC74C

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC74C	#FFFFFF	#000000	##000000
##EFC74C	1.00	1.62	12.94	12.94
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.94	21.00	1.00	1.00
##000000	12.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC43C

Deuteranopia (green-blind)

#E6D052

Tritanopia (blue-blind)

#FFB7AE

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #efc74c;
/* rgb */ color: rgb(239, 199, 76);
/* oklch */ color: oklch(84.3% 0.145 90.7);

Tailwind

colors: {
  custom: {
    50: '#f8d784',
    500: '#efc74c',
    950: '#000000',
  },
}

SCSS

$custom: #efc74c;
$custom-light: #f8d784;
$custom-dark: #000000;

JSON

{
  "hex": "#efc74c",
  "rgb": {
    "r": 239,
    "g": 199,
    "b": 76
  },
  "hsl": {
    "h": 45.276,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.84273,
    "c": 0.14451,
    "h": 90.7
  },
  "luminance": 0.59719
}

Semantic roles & 50–950 ramp

primary

#EFC74C

secondary

#2E4EB1

accent

#3BE005

background

#FFFEFB

surface

#FFFBF2

border

#D7D4CC

text

#18140B

muted

#86837E

Preview Lab

Preview with #EFC74C

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

Preview Lab → · Contrast checker → · Palette generator →