#EFEB5A#EFEB5A

#EFEB5A is a very light, vivid yellow. Relative luminance 0.785; OKLCH L 91.7% C 0.163 H 107.7°. Best body text is #000000 at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#EFEB5A
RGB	rgb(239, 235, 90)
HSL	hsl(58, 82%, 65%)
HSV	hsv(58, 62%, 94%)
CMYK	cmyk(0%, 1.7%, 62.3%, 6.3%)
CIE-LAB	lab(91.01, -15.93, 68.42)
CIE-LCH	lch(91.01, 70.25, 103.10°)
OKLab	oklab(91.7% -0.0496 0.1553)
OKLCH	oklch(91.7% 0.163 107.7)
XYZ	xyz(67.1526, 78.5076, 21.2870)
Luminance	0.7851 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEB5A #5A5EEF

analogous

#EFA05A #EFEB5A #A9EF5A

triadic

#EFEB5A #5AEFEB #EB5AEF

tetradic

#EFEB5A #5AEFA0 #5A5EEF #EF5AA9

square

#EFEB5A #5AEFA0 #5A5EEF #EF5AA9

split-complementary

#EFEB5A #5AA9EF #A05AEF

monochromatic

#BCB812 #EAE422 #EFEB5A #F4F292 #FAF9CA

Accessibility & contrast

On white

1.26

#EFEB5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.70

#EFEB5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEB5A

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEB5A	#FFFFFF	#000000	##000000
##EFEB5A	1.00	1.26	16.70	16.70
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.70	21.00	1.00	1.00
##000000	16.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE248

Deuteranopia (green-blind)

#FFE863

Tritanopia (blue-blind)

#FFDDCD

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #efeb5a;
/* rgb */ color: rgb(239, 235, 90);
/* oklch */ color: oklch(91.7% 0.163 107.7);

Tailwind

colors: {
  custom: {
    50: '#f7f18f',
    500: '#efeb5a',
    950: '#000000',
  },
}

SCSS

$custom: #efeb5a;
$custom-light: #f7f18f;
$custom-dark: #000000;

JSON

{
  "hex": "#efeb5a",
  "rgb": {
    "r": 239,
    "g": 235,
    "b": 90
  },
  "hsl": {
    "h": 58.389,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.91702,
    "c": 0.163,
    "h": 107.7
  },
  "luminance": 0.78506
}

Semantic roles & 50–950 ramp

primary

#EFEB5A

secondary

#3236BB

accent

#0DDF07

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #EFEB5A

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

Preview Lab → · Contrast checker → · Palette generator →