#EFE978#EFE978

#EFE978 is a very light, vivid yellow. Relative luminance 0.780; OKLCH L 91.6% C 0.135 H 106.0°. Best body text is #000000 at 16.60:1 contrast (WCAG AA passes).

Color values

HEX	#EFE978
RGB	rgb(239, 233, 120)
HSL	hsl(57, 79%, 70%)
HSV	hsv(57, 50%, 94%)
CMYK	cmyk(0%, 2.5%, 49.8%, 6.3%)
CIE-LAB	lab(90.77, -12.76, 55.07)
CIE-LCH	lch(90.77, 56.53, 103.05°)
OKLab	oklab(91.6% -0.0374 0.1301)
OKLCH	oklch(91.6% 0.135 106)
XYZ	xyz(68.1274, 77.9865, 29.2298)
Luminance	0.7799 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE978 #787EEF

analogous

#EFAD78 #EFE978 #B9EF78

triadic

#EFE978 #78EFE9 #E978EF

tetradic

#EFE978 #78EFAD #787EEF #EF78B9

square

#EFE978 #78EFAD #787EEF #EF78B9

split-complementary

#EFE978 #78B9EF #AD78EF

monochromatic

#D4CA19 #E9E041 #EFE978 #F5F2AF #FCFBE4

Accessibility & contrast

On white

1.27

#EFE978 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.60

#EFE978 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE978

16.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE978	#FFFFFF	#000000	##000000
##EFE978	1.00	1.27	16.60	16.60
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.60	21.00	1.00	1.00
##000000	16.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E26E

Deuteranopia (green-blind)

#FCE77D

Tritanopia (blue-blind)

#FEDCCF

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #efe978;
/* rgb */ color: rgb(239, 233, 120);
/* oklch */ color: oklch(91.6% 0.135 106.0);

Tailwind

colors: {
  custom: {
    50: '#f6efa2',
    500: '#efe978',
    950: '#000000',
  },
}

SCSS

$custom: #efe978;
$custom-light: #f6efa2;
$custom-dark: #000000;

JSON

{
  "hex": "#efe978",
  "rgb": {
    "r": 239,
    "g": 233,
    "b": 120
  },
  "hsl": {
    "h": 56.975,
    "s": 78.808,
    "l": 70.392
  },
  "oklch": {
    "l": 0.91604,
    "c": 0.13542,
    "h": 106
  },
  "luminance": 0.77985
}

Semantic roles & 50–950 ramp

primary

#EFE978

secondary

#4349C9

accent

#15DB0A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17160F

muted

#858580

Preview Lab

Preview with #EFE978

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

Preview Lab → · Contrast checker → · Palette generator →