#EFE580#EFE580

#EFE580 is a very light, vivid yellow. Relative luminance 0.759; OKLCH L 90.9% C 0.123 H 103.6°. Best body text is #000000 at 16.19:1 contrast (WCAG AA passes).

Color values

HEX	#EFE580
RGB	rgb(239, 229, 128)
HSL	hsl(55, 78%, 72%)
HSV	hsv(55, 46%, 94%)
CMYK	cmyk(0%, 4.2%, 46.4%, 6.3%)
CIE-LAB	lab(89.84, -10.07, 50.17)
CIE-LCH	lch(89.84, 51.17, 101.35°)
OKLab	oklab(90.89% -0.0289 0.12)
OKLCH	oklch(90.89% 0.123 103.6)
XYZ	xyz(67.5138, 75.9499, 31.5213)
Luminance	0.7595 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE580 #808AEF

analogous

#EFAE80 #EFE580 #C1EF80

triadic

#EFE580 #80EFE5 #E580EF

tetradic

#EFE580 #80EFAE #808AEF #EF80C1

square

#EFE580 #80EFAE #808AEF #EF80C1

split-complementary

#EFE580 #80C1EF #AE80EF

monochromatic

#D9C81B #E8DA4A #EFE580 #F6F0B6 #FCF9E4

Accessibility & contrast

On white

1.30

#EFE580 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.19

#EFE580 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE580

16.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE580	#FFFFFF	#000000	##000000
##EFE580	1.00	1.30	16.19	16.19
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.19	21.00	1.00	1.00
##000000	16.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DF77

Deuteranopia (green-blind)

#F8E484

Tritanopia (blue-blind)

#FDD9CD

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe580;
/* rgb */ color: rgb(239, 229, 128);
/* oklch */ color: oklch(90.9% 0.123 103.6);

Tailwind

colors: {
  custom: {
    50: '#f6eda7',
    500: '#efe580',
    950: '#000000',
  },
}

SCSS

$custom: #efe580;
$custom-light: #f6eda7;
$custom-dark: #000000;

JSON

{
  "hex": "#efe580",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 128
  },
  "hsl": {
    "h": 54.595,
    "s": 77.622,
    "l": 71.961
  },
  "oklch": {
    "l": 0.90889,
    "c": 0.12343,
    "h": 103.6
  },
  "luminance": 0.75948
}

Semantic roles & 50–950 ramp

primary

#EFE580

secondary

#4A55C9

accent

#1EDA0C

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#171610

muted

#858480

Preview Lab

Preview with #EFE580

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

Preview Lab → · Contrast checker → · Palette generator →