#EFF77F#EFF77F

#EFF77F is a very light, vivid yellow. Relative luminance 0.864; OKLCH L 94.6% C 0.144 H 112.2°. Best body text is #000000 at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#EFF77F
RGB	rgb(239, 247, 127)
HSL	hsl(64, 88%, 73%)
HSV	hsv(64, 49%, 97%)
CMYK	cmyk(3.2%, 0%, 48.6%, 3.1%)
CIE-LAB	lab(94.49, -18.99, 56.25)
CIE-LCH	lch(94.49, 59.37, 108.65°)
OKLab	oklab(94.59% -0.0545 0.1333)
OKLCH	oklch(94.59% 0.144 112.2)
XYZ	xyz(72.6895, 86.4059, 32.9234)
Luminance	0.8640 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF77F #877FF7

analogous

#F7C37F #EFF77F #B3F77F

triadic

#EFF77F #7FEFF7 #F77FEF

tetradic

#EFF77F #7FF7C3 #877FF7 #F77FB3

square

#EFF77F #7FF7C3 #877FF7 #F77FB3

split-complementary

#EFF77F #7FB3F7 #C37FF7

monochromatic

#DEED0F #E8F345 #EFF77F #F6FBB9 #FBFDE2

Accessibility & contrast

On white

1.15

#EFF77F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.28

#EFF77F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF77F

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF77F	#FFFFFF	#000000	##000000
##EFF77F	1.00	1.15	18.28	18.28
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.28	21.00	1.00	1.00
##000000	18.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE74

Deuteranopia (green-blind)

#FFF185

Tritanopia (blue-blind)

#FCEBDB

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff77f;
/* rgb */ color: rgb(239, 247, 127);
/* oklch */ color: oklch(94.6% 0.144 112.2);

Tailwind

colors: {
  custom: {
    50: '#f6f9a7',
    500: '#eff77f',
    950: '#000000',
  },
}

SCSS

$custom: #eff77f;
$custom-light: #f6f9a7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff77f",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 127
  },
  "hsl": {
    "h": 64,
    "s": 88.235,
    "l": 73.333
  },
  "oklch": {
    "l": 0.94586,
    "c": 0.14402,
    "h": 112.2
  },
  "luminance": 0.86405
}

Semantic roles & 50–950 ramp

primary

#EFF77F

secondary

#5047D3

accent

#01E510

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#171710

muted

#858580

Preview Lab

Preview with #EFF77F

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

Preview Lab → · Contrast checker → · Palette generator →