#EFE35B#EFE35B

#EFE35B is a very light, vivid yellow. Relative luminance 0.740; OKLCH L 90.1% C 0.155 H 104.3°. Best body text is #000000 at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#EFE35B
RGB	rgb(239, 227, 91)
HSL	hsl(55, 82%, 65%)
HSV	hsv(55, 62%, 94%)
CMYK	cmyk(0%, 5%, 61.9%, 6.3%)
CIE-LAB	lab(88.94, -11.93, 65.82)
CIE-LCH	lch(88.94, 66.89, 100.27°)
OKLab	oklab(90.06% -0.0381 0.1499)
OKLCH	oklch(90.06% 0.155 104.3)
XYZ	xyz(64.9564, 74.0466, 20.7663)
Luminance	0.7404 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE35B #5B67EF

analogous

#EF995B #EFE35B #B1EF5B

triadic

#EFE35B #5BEFE3 #E35BEF

tetradic

#EFE35B #5BEF99 #5B67EF #EF5BB1

square

#EFE35B #5BEF99 #5B67EF #EF5BB1

split-complementary

#EFE35B #5BB1EF #995BEF

monochromatic

#BDAF12 #EAD923 #EFE35B #F4ED93 #FAF6CB

Accessibility & contrast

On white

1.33

#EFE35B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.81

#EFE35B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE35B

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE35B	#FFFFFF	#000000	##000000
##EFE35B	1.00	1.33	15.81	15.81
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.81	21.00	1.00	1.00
##000000	15.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DC4B

Deuteranopia (green-blind)

#FAE263

Tritanopia (blue-blind)

#FFD5C6

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #efe35b;
/* rgb */ color: rgb(239, 227, 91);
/* oklch */ color: oklch(90.1% 0.155 104.3);

Tailwind

colors: {
  custom: {
    50: '#f7eb8f',
    500: '#efe35b',
    950: '#000000',
  },
}

SCSS

$custom: #efe35b;
$custom-light: #f7eb8f;
$custom-dark: #000000;

JSON

{
  "hex": "#efe35b",
  "rgb": {
    "r": 239,
    "g": 227,
    "b": 91
  },
  "hsl": {
    "h": 55.135,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.90059,
    "c": 0.15467,
    "h": 104.3
  },
  "luminance": 0.74044
}

Semantic roles & 50–950 ramp

primary

#EFE35B

secondary

#333EBC

accent

#18DF07

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFE35B

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

Preview Lab → · Contrast checker → · Palette generator →