#EFEC48#EFEC48

#EFEC48 is a very light, vivid yellow. Relative luminance 0.788; OKLCH L 91.8% C 0.176 H 108.4°. Best body text is #000000 at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#EFEC48
RGB	rgb(239, 236, 72)
HSL	hsl(59, 84%, 61%)
HSV	hsv(59, 70%, 94%)
CMYK	cmyk(0%, 1.3%, 69.9%, 6.3%)
CIE-LAB	lab(91.15, -17.38, 75.33)
CIE-LCH	lch(91.15, 77.31, 102.99°)
OKLab	oklab(91.77% -0.0554 0.167)
OKLCH	oklch(91.77% 0.176 108.4)
XYZ	xyz(66.7642, 78.8116, 17.8249)
Luminance	0.7881 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEC48 #484BEF

analogous

#EF9848 #EFEC48 #9EEF48

triadic

#EFEC48 #48EFEC #EC48EF

tetradic

#EFEC48 #48EF98 #484BEF #EF489E

square

#EFEC48 #48EF98 #484BEF #EF489E

split-complementary

#EFEC48 #489EEF #9848EF

monochromatic

#ADAB0F #E6E214 #EFEC48 #F4F280 #F9F8B9

Accessibility & contrast

On white

1.25

#EFEC48 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.76

#EFEC48 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEC48

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEC48	#FFFFFF	#000000	##000000
##EFEC48	1.00	1.25	16.76	16.76
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.76	21.00	1.00	1.00
##000000	16.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE32B

Deuteranopia (green-blind)

#FFE854

Tritanopia (blue-blind)

#FFDDCC

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #efec48;
/* rgb */ color: rgb(239, 236, 72);
/* oklch */ color: oklch(91.8% 0.176 108.4);

Tailwind

colors: {
  custom: {
    50: '#f8f185',
    500: '#efec48',
    950: '#000000',
  },
}

SCSS

$custom: #efec48;
$custom-light: #f8f185;
$custom-dark: #000000;

JSON

{
  "hex": "#efec48",
  "rgb": {
    "r": 239,
    "g": 236,
    "b": 72
  },
  "hsl": {
    "h": 58.922,
    "s": 83.92,
    "l": 60.98
  },
  "oklch": {
    "l": 0.91773,
    "c": 0.17599,
    "h": 108.4
  },
  "luminance": 0.7881
}

Semantic roles & 50–950 ramp

primary

#EFEC48

secondary

#2D30AE

accent

#09E005

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160C

muted

#86857F

Preview Lab

Preview with #EFEC48

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

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