#EFEC20#EFEC20

#EFEC20 is a very light, vivid yellow. Relative luminance 0.784; OKLCH L 91.6% C 0.193 H 108.7°. Best body text is #000000 at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#EFEC20
RGB	rgb(239, 236, 32)
HSL	hsl(59, 87%, 53%)
HSV	hsv(59, 87%, 94%)
CMYK	cmyk(0%, 1.3%, 86.6%, 6.3%)
CIE-LAB	lab(90.98, -18.70, 85.87)
CIE-LCH	lch(90.98, 87.89, 102.28°)
OKLab	oklab(91.59% -0.062 0.183)
OKLCH	oklch(91.59% 0.193 108.7)
XYZ	xyz(65.8555, 78.4482, 13.0392)
Luminance	0.7845 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEC20 #2023EF

analogous

#EF8420 #EFEC20 #8BEF20

triadic

#EFEC20 #20EFEC #EC20EF

tetradic

#EFEC20 #20EF84 #2023EF #EF208B

square

#EFEC20 #20EF84 #2023EF #EF208B

split-complementary

#EFEC20 #208BEF #8420EF

monochromatic

#8B890A #C4C10E #EFEC20 #F3F159 #F7F692

Accessibility & contrast

On white

1.26

#EFEC20 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.69

#EFEC20 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEC20

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEC20	#FFFFFF	#000000	##000000
##EFEC20	1.00	1.26	16.69	16.69
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.69	21.00	1.00	1.00
##000000	16.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE200

Deuteranopia (green-blind)

#FFE838

Tritanopia (blue-blind)

#FFDCCA

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #efec20;
/* rgb */ color: rgb(239, 236, 32);
/* oklch */ color: oklch(91.6% 0.193 108.7);

Tailwind

colors: {
  custom: {
    50: '#f9f175',
    500: '#efec20',
    950: '#000000',
  },
}

SCSS

$custom: #efec20;
$custom-light: #f9f175;
$custom-dark: #000000;

JSON

{
  "hex": "#efec20",
  "rgb": {
    "r": 239,
    "g": 236,
    "b": 32
  },
  "hsl": {
    "h": 59.13,
    "s": 86.611,
    "l": 53.137
  },
  "oklch": {
    "l": 0.91589,
    "c": 0.19318,
    "h": 108.7
  },
  "luminance": 0.78446
}

Semantic roles & 50–950 ramp

primary

#EFEC20

secondary

#232590

accent

#2EFD2B

background

#FFFFFB

surface

#FFFEF2

border

#D7D6CC

text

#18160A

muted

#86857D

Preview Lab

Preview with #EFEC20

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

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