#EFD554#EFD554

#EFD554 is a very light, vivid yellow. Relative luminance 0.666; OKLCH L 87.1% C 0.148 H 97.8°. Best body text is #000000 at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#EFD554
RGB	rgb(239, 213, 84)
HSL	hsl(50, 83%, 63%)
HSV	hsv(50, 65%, 94%)
CMYK	cmyk(0%, 10.9%, 64.9%, 6.3%)
CIE-LAB	lab(85.29, -5.33, 64.83)
CIE-LCH	lch(85.29, 65.05, 94.70°)
OKLab	oklab(87.14% -0.0201 0.1468)
OKLCH	oklch(87.14% 0.148 97.8)
XYZ	xyz(60.9938, 66.5822, 18.0247)
Luminance	0.6658 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD554 #546EEF

analogous

#EF8754 #EFD554 #BCEF54

triadic

#EFD554 #54EFD5 #D554EF

tetradic

#EFD554 #54EF87 #546EEF #EF54BC

square

#EFD554 #54EF87 #546EEF #EF54BC

split-complementary

#EFD554 #54BCEF #8754EF

monochromatic

#B79C11 #EAC71C #EFD554 #F4E38C #F9F0C4

Accessibility & contrast

On white

1.47

#EFD554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.32

#EFD554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD554

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD554	#FFFFFF	#000000	##000000
##EFD554	1.00	1.47	14.32	14.32
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.32	21.00	1.00	1.00
##000000	14.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D044

Deuteranopia (green-blind)

#F0D95B

Tritanopia (blue-blind)

#FFC6BA

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #efd554;
/* rgb */ color: rgb(239, 213, 84);
/* oklch */ color: oklch(87.1% 0.148 97.8);

Tailwind

colors: {
  custom: {
    50: '#f8e18a',
    500: '#efd554',
    950: '#000000',
  },
}

SCSS

$custom: #efd554;
$custom-light: #f8e18a;
$custom-dark: #000000;

JSON

{
  "hex": "#efd554",
  "rgb": {
    "r": 239,
    "g": 213,
    "b": 84
  },
  "hsl": {
    "h": 49.935,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.87142,
    "c": 0.14816,
    "h": 97.8
  },
  "luminance": 0.66579
}

Semantic roles & 50–950 ramp

primary

#EFD554

secondary

#3147B7

accent

#2BDF06

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD554

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

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