#EFC74F#EFC74F

#EFC74F is a very light, vivid yellow. Relative luminance 0.598; OKLCH L 84.3% C 0.142 H 90.4°. Best body text is #000000 at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFC74F
RGB	rgb(239, 199, 79)
HSL	hsl(45, 83%, 62%)
HSV	hsv(45, 67%, 94%)
CMYK	cmyk(0%, 16.7%, 66.9%, 6.3%)
CIE-LAB	lab(81.71, 1.55, 63.13)
CIE-LCH	lch(81.71, 63.15, 88.59°)
OKLab	oklab(84.3% -0.0009 0.1424)
OKLCH	oklch(84.3% 0.142 90.4)
XYZ	xyz(57.4343, 59.7655, 15.9064)
Luminance	0.5976 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC74F #4F77EF

analogous

#EF774F #EFC74F #C7EF4F

triadic

#EFC74F #4FEFC7 #C74FEF

tetradic

#EFC74F #4FEF77 #4F77EF #EF4FC7

square

#EFC74F #4FEF77 #4F77EF #EF4FC7

split-complementary

#EFC74F #4FC7EF #774FEF

monochromatic

#B38B10 #EAB517 #EFC74F #F4D987 #F9EBBF

Accessibility & contrast

On white

1.62

#EFC74F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.95

#EFC74F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC74F

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC74F	#FFFFFF	#000000	##000000
##EFC74F	1.00	1.62	12.95	12.95
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.95	21.00	1.00	1.00
##000000	12.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC540

Deuteranopia (green-blind)

#E6D055

Tritanopia (blue-blind)

#FFB7AE

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #efc74f;
/* rgb */ color: rgb(239, 199, 79);
/* oklch */ color: oklch(84.3% 0.142 90.4);

Tailwind

colors: {
  custom: {
    50: '#f8d786',
    500: '#efc74f',
    950: '#000000',
  },
}

SCSS

$custom: #efc74f;
$custom-light: #f8d786;
$custom-dark: #000000;

JSON

{
  "hex": "#efc74f",
  "rgb": {
    "r": 239,
    "g": 199,
    "b": 79
  },
  "hsl": {
    "h": 45,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.84298,
    "c": 0.14242,
    "h": 90.4
  },
  "luminance": 0.59762
}

Semantic roles & 50–950 ramp

primary

#EFC74F

secondary

#2F50B3

accent

#3CE006

background

#FFFEFB

surface

#FFFBF2

border

#D7D4CC

text

#18140B

muted

#86837E

Preview Lab

Preview with #EFC74F

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

Preview Lab → · Contrast checker → · Palette generator →