#EFEA50#EFEA50

#EFEA50 is a very light, vivid yellow. Relative luminance 0.778; OKLCH L 91.4% C 0.169 H 107.5°. Best body text is #000000 at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#EFEA50
RGB	rgb(239, 234, 80)
HSL	hsl(58, 83%, 63%)
HSV	hsv(58, 67%, 94%)
CMYK	cmyk(0%, 2.1%, 66.5%, 6.3%)
CIE-LAB	lab(90.68, -16.01, 71.97)
CIE-LCH	lch(90.68, 73.73, 102.54°)
OKLab	oklab(91.41% -0.0508 0.1613)
OKLCH	oklch(91.41% 0.169 107.5)
XYZ	xyz(66.4698, 77.7777, 19.0991)
Luminance	0.7778 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEA50 #5055EF

analogous

#EF9A50 #EFEA50 #A5EF50

triadic

#EFEA50 #50EFEA #EA50EF

tetradic

#EFEA50 #50EF9A #5055EF #EF50A5

square

#EFEA50 #50EF9A #5055EF #EF50A5

split-complementary

#EFEA50 #50A5EF #9A50EF

monochromatic

#B4AF10 #EAE318 #EFEA50 #F4F188 #F9F7C0

Accessibility & contrast

On white

1.27

#EFEA50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.56

#EFEA50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEA50

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEA50	#FFFFFF	#000000	##000000
##EFEA50	1.00	1.27	16.56	16.56
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.56	21.00	1.00	1.00
##000000	16.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE139

Deuteranopia (green-blind)

#FFE75A

Tritanopia (blue-blind)

#FFDBCB

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #efea50;
/* rgb */ color: rgb(239, 234, 80);
/* oklch */ color: oklch(91.4% 0.169 107.5);

Tailwind

colors: {
  custom: {
    50: '#f8f089',
    500: '#efea50',
    950: '#000000',
  },
}

SCSS

$custom: #efea50;
$custom-light: #f8f089;
$custom-dark: #000000;

JSON

{
  "hex": "#efea50",
  "rgb": {
    "r": 239,
    "g": 234,
    "b": 80
  },
  "hsl": {
    "h": 58.113,
    "s": 83.246,
    "l": 62.549
  },
  "oklch": {
    "l": 0.91413,
    "c": 0.16908,
    "h": 107.5
  },
  "luminance": 0.77776
}

Semantic roles & 50–950 ramp

primary

#EFEA50

secondary

#2F34B4

accent

#0DE006

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160C

muted

#86857F

Preview Lab

Preview with #EFEA50

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

Preview Lab → · Contrast checker → · Palette generator →