#EFEF5F#EFEF5F

#EFEF5F is a very light, vivid yellow. Relative luminance 0.809; OKLCH L 92.6% C 0.163 H 109.2°. Best body text is #000000 at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF5F
RGB	rgb(239, 239, 95)
HSL	hsl(60, 82%, 65%)
HSV	hsv(60, 60%, 94%)
CMYK	cmyk(0%, 0%, 60.3%, 6.3%)
CIE-LAB	lab(92.09, -17.56, 67.55)
CIE-LCH	lch(92.09, 69.79, 104.58°)
OKLab	oklab(92.58% -0.0537 0.1541)
OKLCH	oklch(92.58% 0.163 109.2)
XYZ	xyz(68.5308, 80.9118, 22.8318)
Luminance	0.8091 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF5F #5F5FEF

analogous

#EFA75F #EFEF5F #A7EF5F

triadic

#EFEF5F #5FEFEF #EF5FEF

tetradic

#EFEF5F #5FEFA7 #5F5FEF #EF5FA7

square

#EFEF5F #5FEFA7 #5F5FEF #EF5FA7

split-complementary

#EFEF5F #5FA7EF #A75FEF

monochromatic

#C0C013 #E9E927 #EFEF5F #F5F597 #FAFACE

Accessibility & contrast

On white

1.22

#EFEF5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.18

#EFEF5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF5F

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF5F	#FFFFFF	#000000	##000000
##EFEF5F	1.00	1.22	17.18	17.18
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.18	21.00	1.00	1.00
##000000	17.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE64E

Deuteranopia (green-blind)

#FFEB68

Tritanopia (blue-blind)

#FFE1D1

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #efef5f;
/* rgb */ color: rgb(239, 239, 95);
/* oklch */ color: oklch(92.6% 0.163 109.2);

Tailwind

colors: {
  custom: {
    50: '#f7f492',
    500: '#efef5f',
    950: '#000000',
  },
}

SCSS

$custom: #efef5f;
$custom-light: #f7f492;
$custom-dark: #000000;

JSON

{
  "hex": "#efef5f",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 95
  },
  "hsl": {
    "h": 60,
    "s": 81.818,
    "l": 65.49
  },
  "oklch": {
    "l": 0.92577,
    "c": 0.16319,
    "h": 109.2
  },
  "luminance": 0.8091
}

Semantic roles & 50–950 ramp

primary

#EFEF5F

secondary

#3434BE

accent

#07DE07

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFEF5F

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

Preview Lab → · Contrast checker → · Palette generator →