#EFE15B#EFE15B

#EFE15B is a very light, vivid yellow. Relative luminance 0.730; OKLCH L 89.6% C 0.153 H 103.4°. Best body text is #000000 at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#EFE15B
RGB	rgb(239, 225, 91)
HSL	hsl(54, 82%, 65%)
HSV	hsv(54, 62%, 94%)
CMYK	cmyk(0%, 5.9%, 61.9%, 6.3%)
CIE-LAB	lab(88.43, -10.94, 65.26)
CIE-LCH	lch(88.43, 66.17, 99.51°)
OKLab	oklab(89.65% -0.0353 0.1487)
OKLCH	oklch(89.65% 0.153 103.4)
XYZ	xyz(64.4126, 72.9589, 20.5850)
Luminance	0.7296 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE15B #5B69EF

analogous

#EF975B #EFE15B #B3EF5B

triadic

#EFE15B #5BEFE1 #E15BEF

tetradic

#EFE15B #5BEF97 #5B69EF #EF5BB3

square

#EFE15B #5BEF97 #5B69EF #EF5BB3

split-complementary

#EFE15B #5BB3EF #975BEF

monochromatic

#BDAD12 #EAD723 #EFE15B #F4EB93 #FAF5CB

Accessibility & contrast

On white

1.35

#EFE15B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.59

#EFE15B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE15B

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE15B	#FFFFFF	#000000	##000000
##EFE15B	1.00	1.35	15.59	15.59
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.59	21.00	1.00	1.00
##000000	15.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DA4B

Deuteranopia (green-blind)

#F8E163

Tritanopia (blue-blind)

#FFD3C5

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #efe15b;
/* rgb */ color: rgb(239, 225, 91);
/* oklch */ color: oklch(89.6% 0.153 103.4);

Tailwind

colors: {
  custom: {
    50: '#f7ea8f',
    500: '#efe15b',
    950: '#000000',
  },
}

SCSS

$custom: #efe15b;
$custom-light: #f7ea8f;
$custom-dark: #000000;

JSON

{
  "hex": "#efe15b",
  "rgb": {
    "r": 239,
    "g": 225,
    "b": 91
  },
  "hsl": {
    "h": 54.324,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.89648,
    "c": 0.15286,
    "h": 103.4
  },
  "luminance": 0.72956
}

Semantic roles & 50–950 ramp

primary

#EFE15B

secondary

#3340BC

accent

#1BDF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFE15B

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

Preview Lab → · Contrast checker → · Palette generator →