#EFC74E#EFC74E

#EFC74E is a very light, vivid yellow. Relative luminance 0.597; OKLCH L 84.3% C 0.143 H 90.5°. Best body text is #000000 at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFC74E
RGB	rgb(239, 199, 78)
HSL	hsl(45, 83%, 62%)
HSV	hsv(45, 67%, 94%)
CMYK	cmyk(0%, 16.7%, 67.4%, 6.3%)
CIE-LAB	lab(81.70, 1.49, 63.54)
CIE-LCH	lch(81.70, 63.56, 88.65°)
OKLab	oklab(84.29% -0.0012 0.1431)
OKLCH	oklch(84.29% 0.143 90.5)
XYZ	xyz(57.3982, 59.7510, 15.7161)
Luminance	0.5975 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC74E #4E76EF

analogous

#EF764E #EFC74E #C7EF4E

triadic

#EFC74E #4EEFC7 #C74EEF

tetradic

#EFC74E #4EEF76 #4E76EF #EF4EC7

square

#EFC74E #4EEF76 #4E76EF #EF4EC7

split-complementary

#EFC74E #4EC7EF #764EEF

monochromatic

#B28A10 #EAB516 #EFC74E #F4D986 #F9EBBE

Accessibility & contrast

On white

1.62

#EFC74E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.95

#EFC74E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC74E

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC74E	#FFFFFF	#000000	##000000
##EFC74E	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)

#DCC53F

Deuteranopia (green-blind)

#E6D054

Tritanopia (blue-blind)

#FFB7AE

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #efc74e;
/* rgb */ color: rgb(239, 199, 78);
/* oklch */ color: oklch(84.3% 0.143 90.5);

Tailwind

colors: {
  custom: {
    50: '#f8d785',
    500: '#efc74e',
    950: '#000000',
  },
}

SCSS

$custom: #efc74e;
$custom-light: #f8d785;
$custom-dark: #000000;

JSON

{
  "hex": "#efc74e",
  "rgb": {
    "r": 239,
    "g": 199,
    "b": 78
  },
  "hsl": {
    "h": 45.093,
    "s": 83.42,
    "l": 62.157
  },
  "oklch": {
    "l": 0.8429,
    "c": 0.14313,
    "h": 90.5
  },
  "luminance": 0.59748
}

Semantic roles & 50–950 ramp

primary

#EFC74E

secondary

#2F50B2

accent

#3CE006

background

#FFFEFB

surface

#FFFBF2

border

#D7D4CC

text

#18140B

muted

#86837E

Preview Lab

Preview with #EFC74E

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

Preview Lab → · Contrast checker → · Palette generator →