#EFF671#EFF671

#EFF671 is a very light, vivid yellow. Relative luminance 0.855; OKLCH L 94.2% C 0.156 H 111.8°. Best body text is #000000 at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#EFF671
RGB	rgb(239, 246, 113)
HSL	hsl(63, 88%, 70%)
HSV	hsv(63, 54%, 96%)
CMYK	cmyk(2.8%, 0%, 54.1%, 3.5%)
CIE-LAB	lab(94.08, -19.67, 62.09)
CIE-LCH	lch(94.08, 65.13, 107.58°)
OKLab	oklab(94.21% -0.0578 0.1446)
OKLCH	oklch(94.21% 0.156 111.8)
XYZ	xyz(71.5346, 85.4560, 28.3459)
Luminance	0.8546 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF671 #7871F6

analogous

#F6BA71 #EFF671 #ACF671

triadic

#EFF671 #71EFF6 #F671EF

tetradic

#EFF671 #71F6BA #7871F6 #F671AC

square

#EFF671 #71F6BA #7871F6 #F671AC

split-complementary

#EFF671 #71ACF6 #BA71F6

monochromatic

#D4DE0E #E9F237 #EFF671 #F5FAAB #FCFDE2

Accessibility & contrast

On white

1.16

#EFF671 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.09

#EFF671 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF671

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF671	#FFFFFF	#000000	##000000
##EFF671	1.00	1.16	18.09	18.09
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.09	21.00	1.00	1.00
##000000	18.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC63

Deuteranopia (green-blind)

#FFF078

Tritanopia (blue-blind)

#FDE9D9

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff671;
/* rgb */ color: rgb(239, 246, 113);
/* oklch */ color: oklch(94.2% 0.156 111.8);

Tailwind

colors: {
  custom: {
    50: '#f7f99e',
    500: '#eff671',
    950: '#000000',
  },
}

SCSS

$custom: #eff671;
$custom-light: #f7f99e;
$custom-dark: #000000;

JSON

{
  "hex": "#eff671",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 113
  },
  "hsl": {
    "h": 63.158,
    "s": 88.079,
    "l": 70.392
  },
  "oklch": {
    "l": 0.94214,
    "c": 0.15576,
    "h": 111.8
  },
  "luminance": 0.85455
}

Semantic roles & 50–950 ramp

primary

#EFF671

secondary

#433BD0

accent

#01E50D

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF671

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

Preview Lab → · Contrast checker → · Palette generator →