#EFE66B#EFE66B

#EFE66B is a very light, vivid yellow. Relative luminance 0.760; OKLCH L 90.8% C 0.144 H 105.1°. Best body text is #000000 at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#EFE66B
RGB	rgb(239, 230, 107)
HSL	hsl(56, 80%, 68%)
HSV	hsv(56, 55%, 94%)
CMYK	cmyk(0%, 3.8%, 55.2%, 6.3%)
CIE-LAB	lab(89.86, -12.32, 59.94)
CIE-LCH	lch(89.86, 61.19, 101.61°)
OKLab	oklab(90.84% -0.0375 0.1394)
OKLCH	oklch(90.84% 0.144 105.1)
XYZ	xyz(66.5493, 76.0080, 25.0725)
Luminance	0.7601 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE66B #6B74EF

analogous

#EFA46B #EFE66B #B6EF6B

triadic

#EFE66B #6BEFE6 #E66BEF

tetradic

#EFE66B #6BEFA4 #6B74EF #EF6BB6

square

#EFE66B #6BEFA4 #6B74EF #EF6BB6

split-complementary

#EFE66B #6BB6EF #A46BEF

monochromatic

#CABE16 #E9DD34 #EFE66B #F5EFA2 #FBF9D9

Accessibility & contrast

On white

1.30

#EFE66B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.20

#EFE66B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE66B

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE66B	#FFFFFF	#000000	##000000
##EFE66B	1.00	1.30	16.20	16.20
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.20	21.00	1.00	1.00
##000000	16.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DF5F

Deuteranopia (green-blind)

#FBE571

Tritanopia (blue-blind)

#FFD9CB

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe66b;
/* rgb */ color: rgb(239, 230, 107);
/* oklch */ color: oklch(90.8% 0.144 105.1);

Tailwind

colors: {
  custom: {
    50: '#f7ed99',
    500: '#efe66b',
    950: '#000000',
  },
}

SCSS

$custom: #efe66b;
$custom-light: #f7ed99;
$custom-dark: #000000;

JSON

{
  "hex": "#efe66b",
  "rgb": {
    "r": 239,
    "g": 230,
    "b": 107
  },
  "hsl": {
    "h": 55.909,
    "s": 80.488,
    "l": 67.843
  },
  "oklch": {
    "l": 0.90836,
    "c": 0.14433,
    "h": 105.1
  },
  "luminance": 0.76006
}

Semantic roles & 50–950 ramp

primary

#EFE66B

secondary

#3741C7

accent

#17DD09

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#18160E

muted

#86847F

Preview Lab

Preview with #EFE66B

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

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