#EFD55B#EFD55B

#EFD55B is a very light, vivid yellow. Relative luminance 0.667; OKLCH L 87.2% C 0.143 H 97.3°. Best body text is #000000 at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#EFD55B
RGB	rgb(239, 213, 91)
HSL	hsl(49, 82%, 65%)
HSV	hsv(49, 62%, 94%)
CMYK	cmyk(0%, 10.9%, 61.9%, 6.3%)
CIE-LAB	lab(85.35, -4.91, 61.93)
CIE-LCH	lch(85.35, 62.12, 94.53°)
OKLab	oklab(87.21% -0.0181 0.1417)
OKLCH	oklch(87.21% 0.143 97.3)
XYZ	xyz(61.2818, 66.6974, 19.5415)
Luminance	0.6670 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD55B #5B75EF

analogous

#EF8B5B #EFD55B #BFEF5B

triadic

#EFD55B #5BEFD5 #D55BEF

tetradic

#EFD55B #5BEF8B #5B75EF #EF5BBF

square

#EFD55B #5BEF8B #5B75EF #EF5BBF

split-complementary

#EFD55B #5BBFEF #8B5BEF

monochromatic

#BD9F12 #EAC723 #EFD55B #F4E393 #FAF2CB

Accessibility & contrast

On white

1.46

#EFD55B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.34

#EFD55B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD55B

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD55B	#FFFFFF	#000000	##000000
##EFD55B	1.00	1.46	14.34	14.34
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.34	21.00	1.00	1.00
##000000	14.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D04D

Deuteranopia (green-blind)

#EFD961

Tritanopia (blue-blind)

#FFC6BB

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #efd55b;
/* rgb */ color: rgb(239, 213, 91);
/* oklch */ color: oklch(87.2% 0.143 97.3);

Tailwind

colors: {
  custom: {
    50: '#f7e18e',
    500: '#efd55b',
    950: '#000000',
  },
}

SCSS

$custom: #efd55b;
$custom-light: #f7e18e;
$custom-dark: #000000;

JSON

{
  "hex": "#efd55b",
  "rgb": {
    "r": 239,
    "g": 213,
    "b": 91
  },
  "hsl": {
    "h": 49.459,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.87207,
    "c": 0.1428,
    "h": 97.3
  },
  "luminance": 0.66695
}

Semantic roles & 50–950 ramp

primary

#EFD55B

secondary

#334BBC

accent

#2DDF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFD55B

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

Preview Lab → · Contrast checker → · Palette generator →