#EFD155#EFD155

#EFD155 is a very light, vivid yellow. Relative luminance 0.646; OKLCH L 86.3% C 0.144 H 95.6°. Best body text is #000000 at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#EFD155
RGB	rgb(239, 209, 85)
HSL	hsl(48, 83%, 64%)
HSV	hsv(48, 64%, 94%)
CMYK	cmyk(0%, 12.6%, 64.4%, 6.3%)
CIE-LAB	lab(84.28, -3.24, 63.34)
CIE-LCH	lch(84.28, 63.42, 92.93°)
OKLab	oklab(86.35% -0.014 0.1438)
OKLCH	oklch(86.35% 0.144 95.6)
XYZ	xyz(60.0395, 64.6105, 17.9012)
Luminance	0.6461 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD155 #5573EF

analogous

#EF8455 #EFD155 #C0EF55

triadic

#EFD155 #55EFD1 #D155EF

tetradic

#EFD155 #55EF84 #5573EF #EF55C0

square

#EFD155 #55EF84 #5573EF #EF55C0

split-complementary

#EFD155 #55C0EF #8455EF

monochromatic

#B89811 #EAC21D #EFD155 #F4E08D #FAEFC5

Accessibility & contrast

On white

1.51

#EFD155 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.92

#EFD155 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD155

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD155	#FFFFFF	#000000	##000000
##EFD155	1.00	1.51	13.92	13.92
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.92	21.00	1.00	1.00
##000000	13.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD46

Deuteranopia (green-blind)

#EDD65B

Tritanopia (blue-blind)

#FFC2B7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #efd155;
/* rgb */ color: rgb(239, 209, 85);
/* oklch */ color: oklch(86.3% 0.144 95.6);

Tailwind

colors: {
  custom: {
    50: '#f8de8a',
    500: '#efd155',
    950: '#000000',
  },
}

SCSS

$custom: #efd155;
$custom-light: #f8de8a;
$custom-dark: #000000;

JSON

{
  "hex": "#efd155",
  "rgb": {
    "r": 239,
    "g": 209,
    "b": 85
  },
  "hsl": {
    "h": 48.312,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.86345,
    "c": 0.14446,
    "h": 95.6
  },
  "luminance": 0.64608
}

Semantic roles & 50–950 ramp

primary

#EFD155

secondary

#314BB7

accent

#31DF06

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD155

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

Preview Lab → · Contrast checker → · Palette generator →