#EFCB5C#EFCB5C

#EFCB5C is a very light, vivid yellow. Relative luminance 0.618; OKLCH L 85.2% C 0.135 H 91.3°. Best body text is #000000 at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#EFCB5C
RGB	rgb(239, 203, 92)
HSL	hsl(45, 82%, 65%)
HSV	hsv(45, 62%, 94%)
CMYK	cmyk(0%, 15.1%, 61.5%, 6.3%)
CIE-LAB	lab(82.83, 0.27, 58.71)
CIE-LCH	lch(82.83, 58.71, 89.74°)
OKLab	oklab(85.22% -0.0031 0.1349)
OKLCH	oklch(85.22% 0.135 91.3)
XYZ	xyz(58.8871, 61.8385, 18.9574)
Luminance	0.6183 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCB5C #5C80EF

analogous

#EF815C #EFCB5C #CAEF5C

triadic

#EFCB5C #5CEFCB #CB5CEF

tetradic

#EFCB5C #5CEF81 #5C80EF #EF5CCA

square

#EFCB5C #5CEF81 #5C80EF #EF5CCA

split-complementary

#EFCB5C #5CCAEF #815CEF

monochromatic

#BE9413 #EAB924 #EFCB5C #F4DD94 #FAEFCB

Accessibility & contrast

On white

1.57

#EFCB5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.37

#EFCB5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCB5C

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCB5C	#FFFFFF	#000000	##000000
##EFCB5C	1.00	1.57	13.37	13.37
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.37	21.00	1.00	1.00
##000000	13.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC850

Deuteranopia (green-blind)

#E8D361

Tritanopia (blue-blind)

#FFBCB3

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #efcb5c;
/* rgb */ color: rgb(239, 203, 92);
/* oklch */ color: oklch(85.2% 0.135 91.3);

Tailwind

colors: {
  custom: {
    50: '#f8da8e',
    500: '#efcb5c',
    950: '#000000',
  },
}

SCSS

$custom: #efcb5c;
$custom-light: #f8da8e;
$custom-dark: #000000;

JSON

{
  "hex": "#efcb5c",
  "rgb": {
    "r": 239,
    "g": 203,
    "b": 92
  },
  "hsl": {
    "h": 45.306,
    "s": 82.123,
    "l": 64.902
  },
  "oklch": {
    "l": 0.85215,
    "c": 0.13497,
    "h": 91.3
  },
  "luminance": 0.61835
}

Semantic roles & 50–950 ramp

primary

#EFCB5C

secondary

#3355BC

accent

#3CDF07

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140D

muted

#86837F

Preview Lab

Preview with #EFCB5C

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

Preview Lab → · Contrast checker → · Palette generator →