#EFEE42#EFEE42

#EFEE42 is a very light, vivid yellow. Relative luminance 0.799; OKLCH L 92.2% C 0.181 H 109.1°. Best body text is #000000 at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#EFEE42
RGB	rgb(239, 238, 66)
HSL	hsl(60, 84%, 60%)
HSV	hsv(60, 72%, 94%)
CMYK	cmyk(0%, 0.4%, 72.4%, 6.3%)
CIE-LAB	lab(91.64, -18.62, 77.81)
CIE-LCH	lch(91.64, 80.01, 103.46°)
OKLab	oklab(92.15% -0.0595 0.1713)
OKLCH	oklch(92.15% 0.181 109.1)
XYZ	xyz(67.1570, 79.8952, 17.0369)
Luminance	0.7989 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEE42 #4243EF

analogous

#EF9742 #EFEE42 #9AEF42

triadic

#EFEE42 #42EFEE #EE42EF

tetradic

#EFEE42 #42EF97 #4243EF #EF429A

square

#EFEE42 #42EF97 #4243EF #EF429A

split-complementary

#EFEE42 #429AEF #9742EF

monochromatic

#A8A70E #E1E013 #EFEE42 #F4F37A #F9F8B3

Accessibility & contrast

On white

1.24

#EFEE42 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.98

#EFEE42 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEE42

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEE42	#FFFFFF	#000000	##000000
##EFEE42	1.00	1.24	16.98	16.98
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.98	21.00	1.00	1.00
##000000	16.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE41E

Deuteranopia (green-blind)

#FFEA50

Tritanopia (blue-blind)

#FFDFCD

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #efee42;
/* rgb */ color: rgb(239, 238, 66);
/* oklch */ color: oklch(92.2% 0.181 109.1);

Tailwind

colors: {
  custom: {
    50: '#f8f382',
    500: '#efee42',
    950: '#000000',
  },
}

SCSS

$custom: #efee42;
$custom-light: #f8f382;
$custom-dark: #000000;

JSON

{
  "hex": "#efee42",
  "rgb": {
    "r": 239,
    "g": 238,
    "b": 66
  },
  "hsl": {
    "h": 59.653,
    "s": 84.39,
    "l": 59.804
  },
  "oklch": {
    "l": 0.92152,
    "c": 0.18128,
    "h": 109.1
  },
  "luminance": 0.79893
}

Semantic roles & 50–950 ramp

primary

#EFEE42

secondary

#2C2CAA

accent

#2EFB2D

background

#FFFFFB

surface

#FFFEF2

border

#D7D6CC

text

#18160B

muted

#86857E

Preview Lab

Preview with #EFEE42

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

Preview Lab → · Contrast checker → · Palette generator →