#EFDF99#EFDF99

#EFDF99 is a very light, moderate yellow. Relative luminance 0.734; OKLCH L 90.1% C 0.090 H 96.8°. Best body text is #000000 at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#EFDF99
RGB	rgb(239, 223, 153)
HSL	hsl(49, 73%, 77%)
HSV	hsv(49, 36%, 94%)
CMYK	cmyk(0%, 6.7%, 36%, 6.3%)
CIE-LAB	lab(88.65, -4.47, 36.32)
CIE-LCH	lch(88.65, 36.60, 97.02°)
OKLab	oklab(90.06% -0.0108 0.0899)
OKLCH	oklch(90.06% 0.09 96.8)
XYZ	xyz(67.7352, 73.4280, 40.7358)
Luminance	0.7343 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDF99 #99A9EF

analogous

#EFB499 #EFDF99 #D4EF99

triadic

#EFDF99 #99EFDF #DF99EF

tetradic

#EFDF99 #99EFB4 #99A9EF #EF99D4

square

#EFDF99 #99EFB4 #99A9EF #EF99D4

split-complementary

#EFDF99 #99D4EF #B499EF

monochromatic

#DEBE2F #E7CE64 #EFDF99 #F7F0CE #FBF7E5

Accessibility & contrast

On white

1.34

#EFDF99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.69

#EFDF99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDF99

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDF99	#FFFFFF	#000000	##000000
##EFDF99	1.00	1.34	15.69	15.69
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.69	21.00	1.00	1.00
##000000	15.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDDB94

Deuteranopia (green-blind)

#F1E19C

Tritanopia (blue-blind)

#FCD5CD

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #efdf99;
/* rgb */ color: rgb(239, 223, 153);
/* oklch */ color: oklch(90.1% 0.090 96.8);

Tailwind

colors: {
  custom: {
    50: '#f5e8b7',
    500: '#efdf99',
    950: '#000000',
  },
}

SCSS

$custom: #efdf99;
$custom-light: #f5e8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#efdf99",
  "rgb": {
    "r": 239,
    "g": 223,
    "b": 153
  },
  "hsl": {
    "h": 48.837,
    "s": 72.881,
    "l": 76.863
  },
  "oklch": {
    "l": 0.90064,
    "c": 0.09049,
    "h": 96.8
  },
  "luminance": 0.73426
}

Semantic roles & 50–950 ramp

primary

#EFDF99

secondary

#6174CC

accent

#35D511

background

#FFFEFD

surface

#FFFCF8

border

#D7D5D1

text

#171611

muted

#858481

Preview Lab

Preview with #EFDF99

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

Preview Lab → · Contrast checker → · Palette generator →