#EFEF8B#EFEF8B

#EFEF8B is a very light, vivid yellow. Relative luminance 0.819; OKLCH L 93.1% C 0.123 H 108.6°. Best body text is #000000 at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF8B
RGB	rgb(239, 239, 139)
HSL	hsl(60, 76%, 74%)
HSV	hsv(60, 42%, 94%)
CMYK	cmyk(0%, 0%, 41.8%, 6.3%)
CIE-LAB	lab(92.55, -13.96, 48.24)
CIE-LCH	lch(92.55, 50.22, 106.14°)
OKLab	oklab(93.09% -0.0391 0.1164)
OKLCH	oklch(93.09% 0.123 108.6)
XYZ	xyz(71.1245, 81.9493, 36.4922)
Luminance	0.8195 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF8B #8B8BEF

analogous

#EFBD8B #EFEF8B #BDEF8B

triadic

#EFEF8B #8BEFEF #EF8BEF

tetradic

#EFEF8B #8BEFBD #8B8BEF #EF8BBD

square

#EFEF8B #8BEFBD #8B8BEF #EF8BBD

split-complementary

#EFEF8B #8BBDEF #BD8BEF

monochromatic

#E0E01F #E8E855 #EFEF8B #F6F6C1 #FBFBE4

Accessibility & contrast

On white

1.21

#EFEF8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.39

#EFEF8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF8B

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF8B	#FFFFFF	#000000	##000000
##EFEF8B	1.00	1.21	17.39	17.39
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.39	21.00	1.00	1.00
##000000	17.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE883

Deuteranopia (green-blind)

#FFEB90

Tritanopia (blue-blind)

#FCE4D7

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #efef8b;
/* rgb */ color: rgb(239, 239, 139);
/* oklch */ color: oklch(93.1% 0.123 108.6);

Tailwind

colors: {
  custom: {
    50: '#f6f4ae',
    500: '#efef8b',
    950: '#000000',
  },
}

SCSS

$custom: #efef8b;
$custom-light: #f6f4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#efef8b",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 139
  },
  "hsl": {
    "h": 60,
    "s": 75.758,
    "l": 74.118
  },
  "oklch": {
    "l": 0.93092,
    "c": 0.1228,
    "h": 108.6
  },
  "luminance": 0.81948
}

Semantic roles & 50–950 ramp

primary

#EFEF8B

secondary

#5454CA

accent

#0ED80E

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFEF8B

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

Preview Lab → · Contrast checker → · Palette generator →