#EFEF75#EFEF75

#EFEF75 is a very light, vivid yellow. Relative luminance 0.814; OKLCH L 92.8% C 0.145 H 108.9°. Best body text is #000000 at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF75
RGB	rgb(239, 239, 117)
HSL	hsl(60, 79%, 70%)
HSV	hsv(60, 51%, 94%)
CMYK	cmyk(0%, 0%, 51%, 6.3%)
CIE-LAB	lab(92.30, -15.96, 58.24)
CIE-LCH	lch(92.30, 60.39, 105.32°)
OKLab	oklab(92.81% -0.0469 0.1368)
OKLCH	oklch(92.81% 0.145 108.9)
XYZ	xyz(69.6757, 81.3698, 28.8618)
Luminance	0.8137 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF75 #7575EF

analogous

#EFB275 #EFEF75 #B2EF75

triadic

#EFEF75 #75EFEF #EF75EF

tetradic

#EFEF75 #75EFB2 #7575EF #EF75B2

square

#EFEF75 #75EFB2 #7575EF #EF75B2

split-complementary

#EFEF75 #75B2EF #B275EF

monochromatic

#D1D118 #E9E93E #EFEF75 #F5F5AC #FCFCE3

Accessibility & contrast

On white

1.22

#EFEF75 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.27

#EFEF75 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF75

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF75	#FFFFFF	#000000	##000000
##EFEF75	1.00	1.22	17.27	17.27
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.27	21.00	1.00	1.00
##000000	17.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE669

Deuteranopia (green-blind)

#FFEB7B

Tritanopia (blue-blind)

#FDE2D4

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #efef75;
/* rgb */ color: rgb(239, 239, 117);
/* oklch */ color: oklch(92.8% 0.145 108.9);

Tailwind

colors: {
  custom: {
    50: '#f6f4a0',
    500: '#efef75',
    950: '#000000',
  },
}

SCSS

$custom: #efef75;
$custom-light: #f6f4a0;
$custom-dark: #000000;

JSON

{
  "hex": "#efef75",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 117
  },
  "hsl": {
    "h": 60,
    "s": 79.221,
    "l": 69.804
  },
  "oklch": {
    "l": 0.92805,
    "c": 0.14456,
    "h": 108.9
  },
  "luminance": 0.81368
}

Semantic roles & 50–950 ramp

primary

#EFEF75

secondary

#4040C8

accent

#0ADC0A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFEF75

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

Preview Lab → · Contrast checker → · Palette generator →