#EFE666#EFE666

#EFE666 is a very light, vivid yellow. Relative luminance 0.759; OKLCH L 90.8% C 0.149 H 105.2°. Best body text is #000000 at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#EFE666
RGB	rgb(239, 230, 102)
HSL	hsl(56, 81%, 67%)
HSV	hsv(56, 57%, 94%)
CMYK	cmyk(0%, 3.8%, 57.3%, 6.3%)
CIE-LAB	lab(89.82, -12.68, 62.09)
CIE-LCH	lch(89.82, 63.37, 101.54°)
OKLab	oklab(90.78% -0.0391 0.1434)
OKLCH	oklch(90.78% 0.149 105.2)
XYZ	xyz(66.2938, 75.9058, 23.7270)
Luminance	0.7590 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE666 #666FEF

analogous

#EFA166 #EFE666 #B4EF66

triadic

#EFE666 #66EFE6 #E666EF

tetradic

#EFE666 #66EFA1 #666FEF #EF66B4

square

#EFE666 #66EFA1 #666FEF #EF66B4

split-complementary

#EFE666 #66B4EF #A166EF

monochromatic

#C6BA15 #E9DD2F #EFE666 #F5EF9D #FBF8D5

Accessibility & contrast

On white

1.30

#EFE666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.18

#EFE666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE666

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE666	#FFFFFF	#000000	##000000
##EFE666	1.00	1.30	16.18	16.18
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.18	21.00	1.00	1.00
##000000	16.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DF58

Deuteranopia (green-blind)

#FBE56D

Tritanopia (blue-blind)

#FFD8CA

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe666;
/* rgb */ color: rgb(239, 230, 102);
/* oklch */ color: oklch(90.8% 0.149 105.2);

Tailwind

colors: {
  custom: {
    50: '#f7ed96',
    500: '#efe666',
    950: '#000000',
  },
}

SCSS

$custom: #efe666;
$custom-light: #f7ed96;
$custom-dark: #000000;

JSON

{
  "hex": "#efe666",
  "rgb": {
    "r": 239,
    "g": 230,
    "b": 102
  },
  "hsl": {
    "h": 56.058,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.90783,
    "c": 0.14863,
    "h": 105.2
  },
  "luminance": 0.75904
}

Semantic roles & 50–950 ramp

primary

#EFE666

secondary

#363FC3

accent

#16DD08

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#18160E

muted

#86847F

Preview Lab

Preview with #EFE666

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

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