#EFCD63#EFCD63

#EFCD63 is a very light, vivid yellow. Relative luminance 0.629; OKLCH L 85.7% C 0.130 H 91.7°. Best body text is #000000 at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#EFCD63
RGB	rgb(239, 205, 99)
HSL	hsl(45, 81%, 66%)
HSV	hsv(45, 59%, 94%)
CMYK	cmyk(0%, 14.2%, 58.6%, 6.3%)
CIE-LAB	lab(83.40, -0.28, 56.19)
CIE-LCH	lch(83.40, 56.19, 90.29°)
OKLab	oklab(85.69% -0.0038 0.1304)
OKLCH	oklch(85.69% 0.13 91.7)
XYZ	xyz(59.6827, 62.9173, 20.8026)
Luminance	0.6291 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCD63 #6385EF

analogous

#EF8763 #EFCD63 #CBEF63

triadic

#EFCD63 #63EFCD #CD63EF

tetradic

#EFCD63 #63EF87 #6385EF #EF63CB

square

#EFCD63 #63EF87 #6385EF #EF63CB

split-complementary

#EFCD63 #63CBEF #8763EF

monochromatic

#C49914 #E9BB2B #EFCD63 #F5DF9B #FAF1D2

Accessibility & contrast

On white

1.55

#EFCD63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.58

#EFCD63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCD63

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCD63	#FFFFFF	#000000	##000000
##EFCD63	1.00	1.55	13.58	13.58
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.58	21.00	1.00	1.00
##000000	13.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CA58

Deuteranopia (green-blind)

#E9D467

Tritanopia (blue-blind)

#FFBFB5

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #efcd63;
/* rgb */ color: rgb(239, 205, 99);
/* oklch */ color: oklch(85.7% 0.130 91.7);

Tailwind

colors: {
  custom: {
    50: '#f7dc93',
    500: '#efcd63',
    950: '#000000',
  },
}

SCSS

$custom: #efcd63;
$custom-light: #f7dc93;
$custom-dark: #000000;

JSON

{
  "hex": "#efcd63",
  "rgb": {
    "r": 239,
    "g": 205,
    "b": 99
  },
  "hsl": {
    "h": 45.429,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85688,
    "c": 0.13046,
    "h": 91.7
  },
  "luminance": 0.62914
}

Semantic roles & 50–950 ramp

primary

#EFCD63

secondary

#3557C1

accent

#3CDE08

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFCD63

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

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