#EFCE58#EFCE58

#EFCE58 is a very light, vivid yellow. Relative luminance 0.632; OKLCH L 85.8% C 0.140 H 93.6°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#EFCE58
RGB	rgb(239, 206, 88)
HSL	hsl(47, 83%, 64%)
HSV	hsv(47, 63%, 94%)
CMYK	cmyk(0%, 13.8%, 63.2%, 6.3%)
CIE-LAB	lab(83.55, -1.53, 61.26)
CIE-LCH	lch(83.55, 61.28, 91.43°)
OKLab	oklab(85.77% -0.0087 0.1398)
OKLCH	oklch(85.77% 0.14 93.6)
XYZ	xyz(59.4321, 63.2010, 18.2992)
Luminance	0.6320 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCE58 #5879EF

analogous

#EF8358 #EFCE58 #C5EF58

triadic

#EFCE58 #58EFCE #CE58EF

tetradic

#EFCE58 #58EF83 #5879EF #EF58C5

square

#EFCE58 #58EF83 #5879EF #EF58C5

split-complementary

#EFCE58 #58C5EF #8358EF

monochromatic

#BB9612 #EABE20 #EFCE58 #F4DE90 #FAEFC8

Accessibility & contrast

On white

1.54

#EFCE58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.64

#EFCE58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCE58

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCE58	#FFFFFF	#000000	##000000
##EFCE58	1.00	1.54	13.64	13.64
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.64	21.00	1.00	1.00
##000000	13.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CA4B

Deuteranopia (green-blind)

#EAD45E

Tritanopia (blue-blind)

#FFBFB5

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #efce58;
/* rgb */ color: rgb(239, 206, 88);
/* oklch */ color: oklch(85.8% 0.140 93.6);

Tailwind

colors: {
  custom: {
    50: '#f8dc8c',
    500: '#efce58',
    950: '#000000',
  },
}

SCSS

$custom: #efce58;
$custom-light: #f8dc8c;
$custom-dark: #000000;

JSON

{
  "hex": "#efce58",
  "rgb": {
    "r": 239,
    "g": 206,
    "b": 88
  },
  "hsl": {
    "h": 46.887,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.85773,
    "c": 0.14009,
    "h": 93.6
  },
  "luminance": 0.63198
}

Semantic roles & 50–950 ramp

primary

#EFCE58

secondary

#324FBA

accent

#36DF07

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFCE58

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

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