#EFF77A#EFF77A

#EFF77A is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.5% C 0.149 H 112.2°. Best body text is #000000 at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#EFF77A
RGB	rgb(239, 247, 122)
HSL	hsl(64, 89%, 72%)
HSV	hsv(64, 51%, 97%)
CMYK	cmyk(3.2%, 0%, 50.6%, 3.1%)
CIE-LAB	lab(94.43, -19.42, 58.47)
CIE-LCH	lch(94.43, 61.62, 108.37°)
OKLab	oklab(94.53% -0.0562 0.1377)
OKLCH	oklch(94.53% 0.149 112.2)
XYZ	xyz(72.3716, 86.2788, 31.2496)
Luminance	0.8628 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF77A #827AF7

analogous

#F7C17A #EFF77A #B1F77A

triadic

#EFF77A #7AEFF7 #F77AEF

tetradic

#EFF77A #7AF7C1 #827AF7 #F77AB1

square

#EFF77A #7AF7C1 #827AF7 #F77AB1

split-complementary

#EFF77A #7AB1F7 #C17AF7

monochromatic

#DBE90E #E8F440 #EFF77A #F6FAB4 #FCFDE2

Accessibility & contrast

On white

1.15

#EFF77A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.26

#EFF77A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF77A

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF77A	#FFFFFF	#000000	##000000
##EFF77A	1.00	1.15	18.26	18.26
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.26	21.00	1.00	1.00
##000000	18.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6E

Deuteranopia (green-blind)

#FFF181

Tritanopia (blue-blind)

#FCEBDB

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff77a;
/* rgb */ color: rgb(239, 247, 122);
/* oklch */ color: oklch(94.5% 0.149 112.2);

Tailwind

colors: {
  custom: {
    50: '#f6f9a3',
    500: '#eff77a',
    950: '#000000',
  },
}

SCSS

$custom: #eff77a;
$custom-light: #f6f9a3;
$custom-dark: #000000;

JSON

{
  "hex": "#eff77a",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 122
  },
  "hsl": {
    "h": 63.84,
    "s": 88.652,
    "l": 72.353
  },
  "oklch": {
    "l": 0.94525,
    "c": 0.14875,
    "h": 112.2
  },
  "luminance": 0.86277
}

Semantic roles & 50–950 ramp

primary

#EFF77A

secondary

#4C42D3

accent

#00E50F

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF77A

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

Preview Lab → · Contrast checker → · Palette generator →