#EFD558#EFD558

#EFD558 is a very light, vivid yellow. Relative luminance 0.666; OKLCH L 87.2% C 0.145 H 97.5°. Best body text is #000000 at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#EFD558
RGB	rgb(239, 213, 88)
HSL	hsl(50, 83%, 64%)
HSV	hsv(50, 63%, 94%)
CMYK	cmyk(0%, 10.9%, 63.2%, 6.3%)
CIE-LAB	lab(85.33, -5.09, 63.19)
CIE-LCH	lch(85.33, 63.39, 94.61°)
OKLab	oklab(87.18% -0.019 0.1439)
OKLCH	oklch(87.18% 0.145 97.5)
XYZ	xyz(61.1550, 66.6467, 18.8735)
Luminance	0.6664 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD558 #5872EF

analogous

#EF8A58 #EFD558 #BEEF58

triadic

#EFD558 #58EFD5 #D558EF

tetradic

#EFD558 #58EF8A #5872EF #EF58BE

square

#EFD558 #58EF8A #5872EF #EF58BE

split-complementary

#EFD558 #58BEEF #8A58EF

monochromatic

#BB9E12 #EAC720 #EFD558 #F4E390 #FAF1C8

Accessibility & contrast

On white

1.47

#EFD558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.33

#EFD558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD558

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD558	#FFFFFF	#000000	##000000
##EFD558	1.00	1.47	14.33	14.33
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.33	21.00	1.00	1.00
##000000	14.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D049

Deuteranopia (green-blind)

#F0D95E

Tritanopia (blue-blind)

#FFC6BA

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #efd558;
/* rgb */ color: rgb(239, 213, 88);
/* oklch */ color: oklch(87.2% 0.145 97.5);

Tailwind

colors: {
  custom: {
    50: '#f8e18c',
    500: '#efd558',
    950: '#000000',
  },
}

SCSS

$custom: #efd558;
$custom-light: #f8e18c;
$custom-dark: #000000;

JSON

{
  "hex": "#efd558",
  "rgb": {
    "r": 239,
    "g": 213,
    "b": 88
  },
  "hsl": {
    "h": 49.669,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.87179,
    "c": 0.14514,
    "h": 97.5
  },
  "luminance": 0.66644
}

Semantic roles & 50–950 ramp

primary

#EFD558

secondary

#3249BA

accent

#2CDF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD558

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

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