#EFD159#EFD159

#EFD159 is a very light, vivid yellow. Relative luminance 0.647; OKLCH L 86.4% C 0.141 H 95.2°. Best body text is #000000 at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#EFD159
RGB	rgb(239, 209, 89)
HSL	hsl(48, 82%, 64%)
HSV	hsv(48, 63%, 94%)
CMYK	cmyk(0%, 12.6%, 62.8%, 6.3%)
CIE-LAB	lab(84.32, -3.00, 61.67)
CIE-LCH	lch(84.32, 61.74, 92.78°)
OKLab	oklab(86.38% -0.0128 0.1408)
OKLCH	oklch(86.38% 0.141 95.2)
XYZ	xyz(60.2030, 64.6759, 18.7619)
Luminance	0.6467 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD159 #5977EF

analogous

#EF8659 #EFD159 #C2EF59

triadic

#EFD159 #59EFD1 #D159EF

tetradic

#EFD159 #59EF86 #5977EF #EF59C2

square

#EFD159 #59EF86 #5977EF #EF59C2

split-complementary

#EFD159 #59C2EF #8659EF

monochromatic

#BC9A12 #EAC221 #EFD159 #F4E091 #FAF0C9

Accessibility & contrast

On white

1.51

#EFD159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.93

#EFD159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD159

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD159	#FFFFFF	#000000	##000000
##EFD159	1.00	1.51	13.93	13.93
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.93	21.00	1.00	1.00
##000000	13.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD4B

Deuteranopia (green-blind)

#EDD65F

Tritanopia (blue-blind)

#FFC2B7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #efd159;
/* rgb */ color: rgb(239, 209, 89);
/* oklch */ color: oklch(86.4% 0.141 95.2);

Tailwind

colors: {
  custom: {
    50: '#f8de8d',
    500: '#efd159',
    950: '#000000',
  },
}

SCSS

$custom: #efd159;
$custom-light: #f8de8d;
$custom-dark: #000000;

JSON

{
  "hex": "#efd159",
  "rgb": {
    "r": 239,
    "g": 209,
    "b": 89
  },
  "hsl": {
    "h": 48,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.86383,
    "c": 0.1414,
    "h": 95.2
  },
  "luminance": 0.64673
}

Semantic roles & 50–950 ramp

primary

#EFD159

secondary

#324DBA

accent

#32DF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD159

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

Preview Lab → · Contrast checker → · Palette generator →