#EFE66C#EFE66C

#EFE66C is a very light, vivid yellow. Relative luminance 0.760; OKLCH L 90.8% C 0.143 H 105.0°. Best body text is #000000 at 16.21:1 contrast (WCAG AA passes).

Color values

HEX	#EFE66C
RGB	rgb(239, 230, 108)
HSL	hsl(56, 80%, 68%)
HSV	hsv(56, 55%, 94%)
CMYK	cmyk(0%, 3.8%, 54.8%, 6.3%)
CIE-LAB	lab(89.87, -12.24, 59.50)
CIE-LCH	lch(89.87, 60.75, 101.63°)
OKLab	oklab(90.85% -0.0372 0.1386)
OKLCH	oklch(90.85% 0.143 105)
XYZ	xyz(66.6022, 76.0292, 25.3512)
Luminance	0.7603 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE66C #6C75EF

analogous

#EFA46C #EFE66C #B6EF6C

triadic

#EFE66C #6CEFE6 #E66CEF

tetradic

#EFE66C #6CEFA4 #6C75EF #EF6CB6

square

#EFE66C #6CEFA4 #6C75EF #EF6CB6

split-complementary

#EFE66C #6CB6EF #A46CEF

monochromatic

#CBBE16 #E9DD35 #EFE66C #F5EFA3 #FBF9DA

Accessibility & contrast

On white

1.30

#EFE66C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.21

#EFE66C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE66C

16.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE66C	#FFFFFF	#000000	##000000
##EFE66C	1.00	1.30	16.21	16.21
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.21	21.00	1.00	1.00
##000000	16.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DF60

Deuteranopia (green-blind)

#FBE572

Tritanopia (blue-blind)

#FFD9CB

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe66c;
/* rgb */ color: rgb(239, 230, 108);
/* oklch */ color: oklch(90.8% 0.143 105.0);

Tailwind

colors: {
  custom: {
    50: '#f7ed9a',
    500: '#efe66c',
    950: '#000000',
  },
}

SCSS

$custom: #efe66c;
$custom-light: #f7ed9a;
$custom-dark: #000000;

JSON

{
  "hex": "#efe66c",
  "rgb": {
    "r": 239,
    "g": 230,
    "b": 108
  },
  "hsl": {
    "h": 55.878,
    "s": 80.368,
    "l": 68.039
  },
  "oklch": {
    "l": 0.90847,
    "c": 0.14345,
    "h": 105
  },
  "luminance": 0.76027
}

Semantic roles & 50–950 ramp

primary

#EFE66C

secondary

#3842C7

accent

#17DD09

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #EFE66C

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

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