#EFE399#EFE399

#EFE399 is a very light, moderate yellow. Relative luminance 0.756; OKLCH L 90.9% C 0.094 H 100.1°. Best body text is #000000 at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFE399
RGB	rgb(239, 227, 153)
HSL	hsl(52, 73%, 77%)
HSV	hsv(52, 36%, 94%)
CMYK	cmyk(0%, 5%, 36%, 6.3%)
CIE-LAB	lab(89.67, -6.50, 37.65)
CIE-LCH	lch(89.67, 38.21, 99.79°)
OKLab	oklab(90.87% -0.0166 0.0929)
OKLCH	oklch(90.87% 0.094 100.1)
XYZ	xyz(68.8165, 75.5906, 41.0962)
Luminance	0.7559 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE399 #99A5EF

analogous

#EFB899 #EFE399 #D0EF99

triadic

#EFE399 #99EFE3 #E399EF

tetradic

#EFE399 #99EFB8 #99A5EF #EF99D0

square

#EFE399 #99EFB8 #99A5EF #EF99D0

split-complementary

#EFE399 #99D0EF #B899EF

monochromatic

#DEC62F #E7D464 #EFE399 #F7F2CE #FBF8E5

Accessibility & contrast

On white

1.30

#EFE399 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.12

#EFE399 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE399

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE399	#FFFFFF	#000000	##000000
##EFE399	1.00	1.30	16.12	16.12
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.12	21.00	1.00	1.00
##000000	16.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DF94

Deuteranopia (green-blind)

#F4E49C

Tritanopia (blue-blind)

#FBD9D0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #efe399;
/* rgb */ color: rgb(239, 227, 153);
/* oklch */ color: oklch(90.9% 0.094 100.1);

Tailwind

colors: {
  custom: {
    50: '#f5ebb8',
    500: '#efe399',
    950: '#000000',
  },
}

SCSS

$custom: #efe399;
$custom-light: #f5ebb8;
$custom-dark: #000000;

JSON

{
  "hex": "#efe399",
  "rgb": {
    "r": 239,
    "g": 227,
    "b": 153
  },
  "hsl": {
    "h": 51.628,
    "s": 72.881,
    "l": 76.863
  },
  "oklch": {
    "l": 0.90868,
    "c": 0.09441,
    "h": 100.1
  },
  "luminance": 0.75589
}

Semantic roles & 50–950 ramp

primary

#EFE399

secondary

#6170CC

accent

#2CD511

background

#FFFEFD

surface

#FFFDF8

border

#D7D5D1

text

#171611

muted

#858481

Preview Lab

Preview with #EFE399

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

Preview Lab → · Contrast checker → · Palette generator →