#EFF047#EFF047

#EFF047 is a very light, vivid yellow. Relative luminance 0.811; OKLCH L 92.6% C 0.180 H 109.8°. Best body text is #000000 at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#EFF047
RGB	rgb(239, 240, 71)
HSL	hsl(60, 85%, 61%)
HSV	hsv(60, 70%, 94%)
CMYK	cmyk(0.4%, 0%, 70.4%, 5.9%)
CIE-LAB	lab(92.19, -19.37, 76.68)
CIE-LCH	lch(92.19, 79.09, 104.17°)
OKLab	oklab(92.6% -0.0611 0.1697)
OKLCH	oklch(92.6% 0.18 109.8)
XYZ	xyz(67.8964, 81.1278, 18.0427)
Luminance	0.8113 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF047 #4847F0

analogous

#F09C47 #EFF047 #9AF047

triadic

#EFF047 #47EFF0 #F047EF

tetradic

#EFF047 #47F09C #4847F0 #F0479A

square

#EFF047 #47F09C #4847F0 #F0479A

split-complementary

#EFF047 #479AF0 #9C47F0

monochromatic

#ADAE0E #E6E713 #EFF047 #F4F580 #F9F9B8

Accessibility & contrast

On white

1.22

#EFF047 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.23

#EFF047 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF047

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF047	#FFFFFF	#000000	##000000
##EFF047	1.00	1.22	17.23	17.23
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.23	21.00	1.00	1.00
##000000	17.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE628

Deuteranopia (green-blind)

#FFEB54

Tritanopia (blue-blind)

#FFE1CF

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #eff047;
/* rgb */ color: rgb(239, 240, 71);
/* oklch */ color: oklch(92.6% 0.180 109.8);

Tailwind

colors: {
  custom: {
    50: '#f8f485',
    500: '#eff047',
    950: '#000000',
  },
}

SCSS

$custom: #eff047;
$custom-light: #f8f485;
$custom-dark: #000000;

JSON

{
  "hex": "#eff047",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 71
  },
  "hsl": {
    "h": 60.355,
    "s": 84.925,
    "l": 60.98
  },
  "oklch": {
    "l": 0.92601,
    "c": 0.18037,
    "h": 109.8
  },
  "luminance": 0.81126
}

Semantic roles & 50–950 ramp

primary

#EFF047

secondary

#2D2CAF

accent

#04E105

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #EFF047

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

Preview Lab → · Contrast checker → · Palette generator →