#EFCC61#EFCC61

#EFCC61 is a very light, vivid yellow. Relative luminance 0.624; OKLCH L 85.5% C 0.132 H 91.3°. Best body text is #000000 at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#EFCC61
RGB	rgb(239, 204, 97)
HSL	hsl(45, 82%, 66%)
HSV	hsv(45, 59%, 94%)
CMYK	cmyk(0%, 14.6%, 59.4%, 6.3%)
CIE-LAB	lab(83.13, 0.09, 56.79)
CIE-LCH	lch(83.13, 56.79, 89.91°)
OKLab	oklab(85.47% -0.003 0.1315)
OKLCH	oklch(85.47% 0.132 91.3)
XYZ	xyz(59.3498, 62.4026, 20.2257)
Luminance	0.6240 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCC61 #6184EF

analogous

#EF8561 #EFCC61 #CBEF61

triadic

#EFCC61 #61EFCC #CC61EF

tetradic

#EFCC61 #61EF85 #6184EF #EF61CB

square

#EFCC61 #61EF85 #6184EF #EF61CB

split-complementary

#EFCC61 #61CBEF #8561EF

monochromatic

#C29714 #E9BA29 #EFCC61 #F5DE99 #FAF0D0

Accessibility & contrast

On white

1.56

#EFCC61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.48

#EFCC61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCC61

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCC61	#FFFFFF	#000000	##000000
##EFCC61	1.00	1.56	13.48	13.48
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.48	21.00	1.00	1.00
##000000	13.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C956

Deuteranopia (green-blind)

#E8D366

Tritanopia (blue-blind)

#FFBEB4

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #efcc61;
/* rgb */ color: rgb(239, 204, 97);
/* oklch */ color: oklch(85.5% 0.132 91.3);

Tailwind

colors: {
  custom: {
    50: '#f7db91',
    500: '#efcc61',
    950: '#000000',
  },
}

SCSS

$custom: #efcc61;
$custom-light: #f7db91;
$custom-dark: #000000;

JSON

{
  "hex": "#efcc61",
  "rgb": {
    "r": 239,
    "g": 204,
    "b": 97
  },
  "hsl": {
    "h": 45.211,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.85467,
    "c": 0.1315,
    "h": 91.3
  },
  "luminance": 0.624
}

Semantic roles & 50–950 ramp

primary

#EFCC61

secondary

#3457C0

accent

#3CDE08

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140D

muted

#86837F

Preview Lab

Preview with #EFCC61

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

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