#EFE578#EFE578

#EFE578 is a very light, vivid yellow. Relative luminance 0.757; OKLCH L 90.8% C 0.131 H 104.0°. Best body text is #000000 at 16.15:1 contrast (WCAG AA passes).

Color values

HEX	#EFE578
RGB	rgb(239, 229, 120)
HSL	hsl(55, 79%, 70%)
HSV	hsv(55, 50%, 94%)
CMYK	cmyk(0%, 4.2%, 49.8%, 6.3%)
CIE-LAB	lab(89.74, -10.78, 53.85)
CIE-LCH	lch(89.74, 54.91, 101.32°)
OKLab	oklab(90.78% -0.0317 0.1275)
OKLCH	oklch(90.78% 0.131 104)
XYZ	xyz(67.0079, 75.7475, 28.8566)
Luminance	0.7574 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE578 #7882EF

analogous

#EFA978 #EFE578 #BDEF78

triadic

#EFE578 #78EFE5 #E578EF

tetradic

#EFE578 #78EFA9 #7882EF #EF78BD

square

#EFE578 #78EFA9 #7882EF #EF78BD

split-complementary

#EFE578 #78BDEF #A978EF

monochromatic

#D4C419 #E9DA41 #EFE578 #F5F0AF #FCFAE4

Accessibility & contrast

On white

1.30

#EFE578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.15

#EFE578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE578

16.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE578	#FFFFFF	#000000	##000000
##EFE578	1.00	1.30	16.15	16.15
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.15	21.00	1.00	1.00
##000000	16.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DE6E

Deuteranopia (green-blind)

#F9E47D

Tritanopia (blue-blind)

#FED8CC

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe578;
/* rgb */ color: rgb(239, 229, 120);
/* oklch */ color: oklch(90.8% 0.131 104.0);

Tailwind

colors: {
  custom: {
    50: '#f6eda1',
    500: '#efe578',
    950: '#000000',
  },
}

SCSS

$custom: #efe578;
$custom-light: #f6eda1;
$custom-dark: #000000;

JSON

{
  "hex": "#efe578",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 120
  },
  "hsl": {
    "h": 54.958,
    "s": 78.808,
    "l": 70.392
  },
  "oklch": {
    "l": 0.90784,
    "c": 0.13135,
    "h": 104
  },
  "luminance": 0.75745
}

Semantic roles & 50–950 ramp

primary

#EFE578

secondary

#434EC9

accent

#1CDB0A

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#17160F

muted

#858480

Preview Lab

Preview with #EFE578

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

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