#EFE866#EFE866

#EFE866 is a very light, vivid yellow. Relative luminance 0.770; OKLCH L 91.2% C 0.151 H 106.2°. Best body text is #000000 at 16.40:1 contrast (WCAG AA passes).

Color values

HEX	#EFE866
RGB	rgb(239, 232, 102)
HSL	hsl(57, 81%, 67%)
HSV	hsv(57, 57%, 94%)
CMYK	cmyk(0%, 2.9%, 57.3%, 6.3%)
CIE-LAB	lab(90.33, -13.67, 62.67)
CIE-LCH	lch(90.33, 64.14, 102.31°)
OKLab	oklab(91.19% -0.0419 0.1446)
OKLCH	oklch(91.19% 0.151 106.2)
XYZ	xyz(66.8536, 77.0254, 23.9136)
Luminance	0.7702 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE866 #666DEF

analogous

#EFA466 #EFE866 #B2EF66

triadic

#EFE866 #66EFE8 #E866EF

tetradic

#EFE866 #66EFA4 #666DEF #EF66B2

square

#EFE866 #66EFA4 #666DEF #EF66B2

split-complementary

#EFE866 #66B2EF #A466EF

monochromatic

#C6BD15 #E9E02F #EFE866 #F5F09D #FBF9D5

Accessibility & contrast

On white

1.28

#EFE866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.40

#EFE866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE866

16.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE866	#FFFFFF	#000000	##000000
##EFE866	1.00	1.28	16.40	16.40
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.40	21.00	1.00	1.00
##000000	16.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE058

Deuteranopia (green-blind)

#FDE66D

Tritanopia (blue-blind)

#FFDACC

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #efe866;
/* rgb */ color: rgb(239, 232, 102);
/* oklch */ color: oklch(91.2% 0.151 106.2);

Tailwind

colors: {
  custom: {
    50: '#f7ef96',
    500: '#efe866',
    950: '#000000',
  },
}

SCSS

$custom: #efe866;
$custom-light: #f7ef96;
$custom-dark: #000000;

JSON

{
  "hex": "#efe866",
  "rgb": {
    "r": 239,
    "g": 232,
    "b": 102
  },
  "hsl": {
    "h": 56.934,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.91194,
    "c": 0.15059,
    "h": 106.2
  },
  "luminance": 0.77023
}

Semantic roles & 50–950 ramp

primary

#EFE866

secondary

#363DC3

accent

#13DD08

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18160E

muted

#86857F

Preview Lab

Preview with #EFE866

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

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