#EFEC5A#EFEC5A

#EFEC5A is a very light, vivid yellow. Relative luminance 0.791; OKLCH L 91.9% C 0.164 H 108.1°. Best body text is #000000 at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#EFEC5A
RGB	rgb(239, 236, 90)
HSL	hsl(59, 82%, 65%)
HSV	hsv(59, 62%, 94%)
CMYK	cmyk(0%, 1.3%, 62.3%, 6.3%)
CIE-LAB	lab(91.27, -16.42, 68.70)
CIE-LCH	lch(91.27, 70.63, 103.44°)
OKLab	oklab(91.91% -0.051 0.1559)
OKLCH	oklch(91.91% 0.164 108.1)
XYZ	xyz(67.4397, 79.0818, 21.3827)
Luminance	0.7908 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEC5A #5A5DEF

analogous

#EFA25A #EFEC5A #A8EF5A

triadic

#EFEC5A #5AEFEC #EC5AEF

tetradic

#EFEC5A #5AEFA2 #5A5DEF #EF5AA8

square

#EFEC5A #5AEFA2 #5A5DEF #EF5AA8

split-complementary

#EFEC5A #5AA8EF #A25AEF

monochromatic

#BCB912 #EAE622 #EFEC5A #F4F292 #FAF9CA

Accessibility & contrast

On white

1.25

#EFEC5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.82

#EFEC5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEC5A

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEC5A	#FFFFFF	#000000	##000000
##EFEC5A	1.00	1.25	16.82	16.82
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.82	21.00	1.00	1.00
##000000	16.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE347

Deuteranopia (green-blind)

#FFE863

Tritanopia (blue-blind)

#FFDECE

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #efec5a;
/* rgb */ color: rgb(239, 236, 90);
/* oklch */ color: oklch(91.9% 0.164 108.1);

Tailwind

colors: {
  custom: {
    50: '#f7f18f',
    500: '#efec5a',
    950: '#000000',
  },
}

SCSS

$custom: #efec5a;
$custom-light: #f7f18f;
$custom-dark: #000000;

JSON

{
  "hex": "#efec5a",
  "rgb": {
    "r": 239,
    "g": 236,
    "b": 90
  },
  "hsl": {
    "h": 58.792,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.91909,
    "c": 0.16398,
    "h": 108.1
  },
  "luminance": 0.7908
}

Semantic roles & 50–950 ramp

primary

#EFEC5A

secondary

#3235BB

accent

#0BDF07

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #EFEC5A

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

Preview Lab → · Contrast checker → · Palette generator →