#EFE47B#EFE47B

#EFE47B is a very light, vivid yellow. Relative luminance 0.753; OKLCH L 90.6% C 0.127 H 103.3°. Best body text is #000000 at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#EFE47B
RGB	rgb(239, 228, 123)
HSL	hsl(54, 78%, 71%)
HSV	hsv(54, 49%, 94%)
CMYK	cmyk(0%, 4.6%, 48.5%, 6.3%)
CIE-LAB	lab(89.52, -10.02, 52.17)
CIE-LCH	lch(89.52, 53.12, 100.87°)
OKLab	oklab(90.62% -0.0293 0.124)
OKLCH	oklch(90.62% 0.127 103.3)
XYZ	xyz(66.9169, 75.2697, 29.7386)
Luminance	0.7527 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE47B #7B86EF

analogous

#EFAA7B #EFE47B #C0EF7B

triadic

#EFE47B #7BEFE4 #E47BEF

tetradic

#EFE47B #7BEFAA #7B86EF #EF7BC0

square

#EFE47B #7BEFAA #7B86EF #EF7BC0

split-complementary

#EFE47B #7BC0EF #AA7BEF

monochromatic

#D6C41A #E8D944 #EFE47B #F6EFB2 #FCF9E4

Accessibility & contrast

On white

1.31

#EFE47B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.05

#EFE47B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE47B

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE47B	#FFFFFF	#000000	##000000
##EFE47B	1.00	1.31	16.05	16.05
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.05	21.00	1.00	1.00
##000000	16.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DE72

Deuteranopia (green-blind)

#F8E480

Tritanopia (blue-blind)

#FED8CC

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #efe47b;
/* rgb */ color: rgb(239, 228, 123);
/* oklch */ color: oklch(90.6% 0.127 103.3);

Tailwind

colors: {
  custom: {
    50: '#f6eca3',
    500: '#efe47b',
    950: '#000000',
  },
}

SCSS

$custom: #efe47b;
$custom-light: #f6eca3;
$custom-dark: #000000;

JSON

{
  "hex": "#efe47b",
  "rgb": {
    "r": 239,
    "g": 228,
    "b": 123
  },
  "hsl": {
    "h": 54.31,
    "s": 78.378,
    "l": 70.98
  },
  "oklch": {
    "l": 0.90618,
    "c": 0.12743,
    "h": 103.3
  },
  "luminance": 0.75268
}

Semantic roles & 50–950 ramp

primary

#EFE47B

secondary

#4552C9

accent

#1FDB0B

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#17160F

muted

#858480

Preview Lab

Preview with #EFE47B

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

Preview Lab → · Contrast checker → · Palette generator →