#EFE943#EFE943

#EFE943 is a very light, vivid yellow. Relative luminance 0.770; OKLCH L 91.1% C 0.176 H 107.3°. Best body text is #000000 at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#EFE943
RGB	rgb(239, 233, 67)
HSL	hsl(58, 84%, 60%)
HSV	hsv(58, 72%, 94%)
CMYK	cmyk(0%, 2.5%, 72%, 6.3%)
CIE-LAB	lab(90.34, -16.15, 76.25)
CIE-LCH	lch(90.34, 77.94, 101.96°)
OKLab	oklab(91.12% -0.0524 0.1681)
OKLCH	oklch(91.12% 0.176 107.3)
XYZ	xyz(65.7512, 77.0361, 16.7151)
Luminance	0.7703 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE943 #4349EF

analogous

#EF9343 #EFE943 #9FEF43

triadic

#EFE943 #43EFE9 #E943EF

tetradic

#EFE943 #43EF93 #4349EF #EF439F

square

#EFE943 #43EF93 #4349EF #EF439F

split-complementary

#EFE943 #439FEF #9343EF

monochromatic

#A9A40E #E2DA13 #EFE943 #F4F07B #F9F6B4

Accessibility & contrast

On white

1.28

#EFE943 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.41

#EFE943 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE943

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE943	#FFFFFF	#000000	##000000
##EFE943	1.00	1.28	16.41	16.41
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.41	21.00	1.00	1.00
##000000	16.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE023

Deuteranopia (green-blind)

#FFE64F

Tritanopia (blue-blind)

#FFDAC9

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #efe943;
/* rgb */ color: rgb(239, 233, 67);
/* oklch */ color: oklch(91.1% 0.176 107.3);

Tailwind

colors: {
  custom: {
    50: '#f8ef82',
    500: '#efe943',
    950: '#000000',
  },
}

SCSS

$custom: #efe943;
$custom-light: #f8ef82;
$custom-dark: #000000;

JSON

{
  "hex": "#efe943",
  "rgb": {
    "r": 239,
    "g": 233,
    "b": 67
  },
  "hsl": {
    "h": 57.907,
    "s": 84.314,
    "l": 60
  },
  "oklch": {
    "l": 0.91117,
    "c": 0.17611,
    "h": 107.3
  },
  "luminance": 0.77034
}

Semantic roles & 50–950 ramp

primary

#EFE943

secondary

#2C30AA

accent

#34FB2D

background

#FFFFFB

surface

#FFFEF2

border

#D7D6CC

text

#18160B

muted

#86857E

Preview Lab

Preview with #EFE943

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

Preview Lab → · Contrast checker → · Palette generator →