#EFCC4C#EFCC4C

#EFCC4C is a very light, vivid yellow. Relative luminance 0.621; OKLCH L 85.3% C 0.148 H 93.5°. Best body text is #000000 at 13.41:1 contrast (WCAG AA passes).

Color values

HEX	#EFCC4C
RGB	rgb(239, 204, 76)
HSL	hsl(47, 84%, 62%)
HSV	hsv(47, 68%, 94%)
CMYK	cmyk(0%, 14.6%, 68.2%, 6.3%)
CIE-LAB	lab(82.95, -1.19, 65.64)
CIE-LCH	lch(82.95, 65.66, 91.03°)
OKLab	oklab(85.27% -0.0091 0.1472)
OKLCH	oklch(85.27% 0.148 93.5)
XYZ	xyz(58.4969, 62.0615, 15.7340)
Luminance	0.6206 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCC4C #4C6FEF

analogous

#EF7B4C #EFCC4C #C0EF4C

triadic

#EFCC4C #4CEFCC #CC4CEF

tetradic

#EFCC4C #4CEF7B #4C6FEF #EF4CC0

square

#EFCC4C #4CEF7B #4C6FEF #EF4CC0

split-complementary

#EFCC4C #4CC0EF #7B4CEF

monochromatic

#B18E10 #E9BB15 #EFCC4C #F4DC84 #F9ECBC

Accessibility & contrast

On white

1.57

#EFCC4C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.41

#EFCC4C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCC4C

13.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCC4C	#FFFFFF	#000000	##000000
##EFCC4C	1.00	1.57	13.41	13.41
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.41	21.00	1.00	1.00
##000000	13.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C83B

Deuteranopia (green-blind)

#EAD353

Tritanopia (blue-blind)

#FFBCB2

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #efcc4c;
/* rgb */ color: rgb(239, 204, 76);
/* oklch */ color: oklch(85.3% 0.148 93.5);

Tailwind

colors: {
  custom: {
    50: '#f8db85',
    500: '#efcc4c',
    950: '#000000',
  },
}

SCSS

$custom: #efcc4c;
$custom-light: #f8db85;
$custom-dark: #000000;

JSON

{
  "hex": "#efcc4c",
  "rgb": {
    "r": 239,
    "g": 204,
    "b": 76
  },
  "hsl": {
    "h": 47.117,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.85266,
    "c": 0.14752,
    "h": 93.5
  },
  "luminance": 0.62058
}

Semantic roles & 50–950 ramp

primary

#EFCC4C

secondary

#2E4AB1

accent

#34E005

background

#FFFEFB

surface

#FFFBF2

border

#D7D4CC

text

#18140B

muted

#86837E

Preview Lab

Preview with #EFCC4C

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

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