#EFE378#EFE378

#EFE378 is a very light, vivid yellow. Relative luminance 0.746; OKLCH L 90.4% C 0.129 H 102.9°. Best body text is #000000 at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#EFE378
RGB	rgb(239, 227, 120)
HSL	hsl(54, 79%, 70%)
HSV	hsv(54, 50%, 94%)
CMYK	cmyk(0%, 5%, 49.8%, 6.3%)
CIE-LAB	lab(89.23, -9.78, 53.23)
CIE-LCH	lch(89.23, 54.12, 100.41°)
OKLab	oklab(90.38% -0.0289 0.1261)
OKLCH	oklch(90.38% 0.129 102.9)
XYZ	xyz(66.4577, 74.6471, 28.6733)
Luminance	0.7464 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE378 #7884EF

analogous

#EFA878 #EFE378 #BFEF78

triadic

#EFE378 #78EFE3 #E378EF

tetradic

#EFE378 #78EFA8 #7884EF #EF78BF

square

#EFE378 #78EFA8 #7884EF #EF78BF

split-complementary

#EFE378 #78BFEF #A878EF

monochromatic

#D4C119 #E9D841 #EFE378 #F5EEAF #FCF9E4

Accessibility & contrast

On white

1.32

#EFE378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.93

#EFE378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE378

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE378	#FFFFFF	#000000	##000000
##EFE378	1.00	1.32	15.93	15.93
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.93	21.00	1.00	1.00
##000000	15.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DD6E

Deuteranopia (green-blind)

#F8E37D

Tritanopia (blue-blind)

#FED6CA

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #efe378;
/* rgb */ color: rgb(239, 227, 120);
/* oklch */ color: oklch(90.4% 0.129 102.9);

Tailwind

colors: {
  custom: {
    50: '#f6eba1',
    500: '#efe378',
    950: '#000000',
  },
}

SCSS

$custom: #efe378;
$custom-light: #f6eba1;
$custom-dark: #000000;

JSON

{
  "hex": "#efe378",
  "rgb": {
    "r": 239,
    "g": 227,
    "b": 120
  },
  "hsl": {
    "h": 53.95,
    "s": 78.808,
    "l": 70.392
  },
  "oklch": {
    "l": 0.90375,
    "c": 0.12938,
    "h": 102.9
  },
  "luminance": 0.74645
}

Semantic roles & 50–950 ramp

primary

#EFE378

secondary

#4350C9

accent

#1FDB0A

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#17160F

muted

#858480

Preview Lab

Preview with #EFE378

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

Preview Lab → · Contrast checker → · Palette generator →