#EFCE55#EFCE55

#EFCE55 is a very light, vivid yellow. Relative luminance 0.631; OKLCH L 85.7% C 0.142 H 93.9°. Best body text is #000000 at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#EFCE55
RGB	rgb(239, 206, 85)
HSL	hsl(47, 83%, 64%)
HSV	hsv(47, 64%, 94%)
CMYK	cmyk(0%, 13.8%, 64.4%, 6.3%)
CIE-LAB	lab(83.52, -1.71, 62.52)
CIE-LCH	lch(83.52, 62.55, 91.56°)
OKLab	oklab(85.74% -0.0096 0.1421)
OKLCH	oklch(85.74% 0.142 93.9)
XYZ	xyz(59.3104, 63.1523, 17.6582)
Luminance	0.6315 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCE55 #5576EF

analogous

#EF8155 #EFCE55 #C3EF55

triadic

#EFCE55 #55EFCE #CE55EF

tetradic

#EFCE55 #55EF81 #5576EF #EF55C3

square

#EFCE55 #55EF81 #5576EF #EF55C3

split-complementary

#EFCE55 #55C3EF #8155EF

monochromatic

#B89411 #EABE1D #EFCE55 #F4DE8D #FAEEC5

Accessibility & contrast

On white

1.54

#EFCE55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.63

#EFCE55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCE55

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCE55	#FFFFFF	#000000	##000000
##EFCE55	1.00	1.54	13.63	13.63
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.63	21.00	1.00	1.00
##000000	13.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CA47

Deuteranopia (green-blind)

#EBD45B

Tritanopia (blue-blind)

#FFBFB4

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #efce55;
/* rgb */ color: rgb(239, 206, 85);
/* oklch */ color: oklch(85.7% 0.142 93.9);

Tailwind

colors: {
  custom: {
    50: '#f8dc8a',
    500: '#efce55',
    950: '#000000',
  },
}

SCSS

$custom: #efce55;
$custom-light: #f8dc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#efce55",
  "rgb": {
    "r": 239,
    "g": 206,
    "b": 85
  },
  "hsl": {
    "h": 47.143,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.85744,
    "c": 0.14238,
    "h": 93.9
  },
  "luminance": 0.63149
}

Semantic roles & 50–950 ramp

primary

#EFCE55

secondary

#314EB7

accent

#35DF06

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFCE55

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

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