#EFE554#EFE554

#EFE554 is a very light, vivid yellow. Relative luminance 0.750; OKLCH L 90.4% C 0.162 H 105.4°. Best body text is #000000 at 16.01:1 contrast (WCAG AA passes).

Color values

HEX	#EFE554
RGB	rgb(239, 229, 84)
HSL	hsl(56, 83%, 63%)
HSV	hsv(56, 65%, 94%)
CMYK	cmyk(0%, 4.2%, 64.9%, 6.3%)
CIE-LAB	lab(89.41, -13.34, 69.13)
CIE-LCH	lch(89.41, 70.41, 100.92°)
OKLab	oklab(90.41% -0.0429 0.1559)
OKLCH	oklch(90.41% 0.162 105.4)
XYZ	xyz(65.2186, 75.0318, 19.4329)
Luminance	0.7503 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE554 #545EEF

analogous

#EF9754 #EFE554 #ABEF54

triadic

#EFE554 #54EFE5 #E554EF

tetradic

#EFE554 #54EF97 #545EEF #EF54AB

square

#EFE554 #54EF97 #545EEF #EF54AB

split-complementary

#EFE554 #54ABEF #9754EF

monochromatic

#B7AD11 #EADC1C #EFE554 #F4EE8C #F9F6C4

Accessibility & contrast

On white

1.31

#EFE554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.01

#EFE554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE554

16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE554	#FFFFFF	#000000	##000000
##EFE554	1.00	1.31	16.01	16.01
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.01	21.00	1.00	1.00
##000000	16.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DD41

Deuteranopia (green-blind)

#FCE45D

Tritanopia (blue-blind)

#FFD6C7

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #efe554;
/* rgb */ color: rgb(239, 229, 84);
/* oklch */ color: oklch(90.4% 0.162 105.4);

Tailwind

colors: {
  custom: {
    50: '#f8ec8b',
    500: '#efe554',
    950: '#000000',
  },
}

SCSS

$custom: #efe554;
$custom-light: #f8ec8b;
$custom-dark: #000000;

JSON

{
  "hex": "#efe554",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 84
  },
  "hsl": {
    "h": 56.129,
    "s": 82.888,
    "l": 63.333
  },
  "oklch": {
    "l": 0.9041,
    "c": 0.16167,
    "h": 105.4
  },
  "luminance": 0.75029
}

Semantic roles & 50–950 ramp

primary

#EFE554

secondary

#3139B7

accent

#14DF06

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #EFE554

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

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