#EFF779#EFF779

#EFF779 is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.5% C 0.150 H 112.2°. Best body text is #000000 at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#EFF779
RGB	rgb(239, 247, 121)
HSL	hsl(64, 89%, 72%)
HSV	hsv(64, 51%, 97%)
CMYK	cmyk(3.2%, 0%, 51%, 3.1%)
CIE-LAB	lab(94.42, -19.51, 58.91)
CIE-LCH	lch(94.42, 62.06, 108.32°)
OKLab	oklab(94.51% -0.0565 0.1386)
OKLCH	oklch(94.51% 0.15 112.2)
XYZ	xyz(72.3100, 86.2541, 30.9250)
Luminance	0.8625 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF779 #8179F7

analogous

#F7C079 #EFF779 #B0F779

triadic

#EFF779 #79EFF7 #F779EF

tetradic

#EFF779 #79F7C0 #8179F7 #F779B0

square

#EFF779 #79F7C0 #8179F7 #F779B0

split-complementary

#EFF779 #79B0F7 #C079F7

monochromatic

#DAE80E #E8F43F #EFF779 #F6FAB3 #FCFDE2

Accessibility & contrast

On white

1.15

#EFF779 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.25

#EFF779 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF779

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF779	#FFFFFF	#000000	##000000
##EFF779	1.00	1.15	18.25	18.25
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.25	21.00	1.00	1.00
##000000	18.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6D

Deuteranopia (green-blind)

#FFF180

Tritanopia (blue-blind)

#FDEADB

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff779;
/* rgb */ color: rgb(239, 247, 121);
/* oklch */ color: oklch(94.5% 0.150 112.2);

Tailwind

colors: {
  custom: {
    50: '#f6f9a3',
    500: '#eff779',
    950: '#000000',
  },
}

SCSS

$custom: #eff779;
$custom-light: #f6f9a3;
$custom-dark: #000000;

JSON

{
  "hex": "#eff779",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 121
  },
  "hsl": {
    "h": 63.81,
    "s": 88.732,
    "l": 72.157
  },
  "oklch": {
    "l": 0.94513,
    "c": 0.14967,
    "h": 112.2
  },
  "luminance": 0.86253
}

Semantic roles & 50–950 ramp

primary

#EFF779

secondary

#4B41D3

accent

#00E50F

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF779

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

Preview Lab → · Contrast checker → · Palette generator →