#EFF47B#EFF47B

#EFF47B is a very light, vivid yellow. Relative luminance 0.845; OKLCH L 93.9% C 0.144 H 111.0°. Best body text is #000000 at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#EFF47B
RGB	rgb(239, 244, 123)
HSL	hsl(62, 85%, 72%)
HSV	hsv(62, 50%, 96%)
CMYK	cmyk(2%, 0%, 49.6%, 4.3%)
CIE-LAB	lab(93.66, -17.89, 57.11)
CIE-LCH	lch(93.66, 59.85, 107.39°)
OKLab	oklab(93.91% -0.0518 0.1348)
OKLCH	oklch(93.91% 0.144 111)
XYZ	xyz(71.5239, 84.4836, 31.2743)
Luminance	0.8448 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF47B #807BF4

analogous

#F4BC7B #EFF47B #B3F47B

triadic

#EFF47B #7BEFF4 #F47BEF

tetradic

#EFF47B #7BF4BC #807BF4 #F47BB3

square

#EFF47B #7BF4BC #807BF4 #F47BB3

split-complementary

#EFF47B #7BB3F4 #BC7BF4

monochromatic

#D9E213 #E8EF43 #EFF47B #F6F9B3 #FCFDE3

Accessibility & contrast

On white

1.17

#EFF47B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.90

#EFF47B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF47B

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF47B	#FFFFFF	#000000	##000000
##EFF47B	1.00	1.17	17.90	17.90
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.90	21.00	1.00	1.00
##000000	17.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB70

Deuteranopia (green-blind)

#FFEF81

Tritanopia (blue-blind)

#FDE8D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff47b;
/* rgb */ color: rgb(239, 244, 123);
/* oklch */ color: oklch(93.9% 0.144 111.0);

Tailwind

colors: {
  custom: {
    50: '#f6f7a4',
    500: '#eff47b',
    950: '#000000',
  },
}

SCSS

$custom: #eff47b;
$custom-light: #f6f7a4;
$custom-dark: #000000;

JSON

{
  "hex": "#eff47b",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 123
  },
  "hsl": {
    "h": 62.479,
    "s": 84.615,
    "l": 71.961
  },
  "oklch": {
    "l": 0.93913,
    "c": 0.14443,
    "h": 111
  },
  "luminance": 0.84482
}

Semantic roles & 50–950 ramp

primary

#EFF47B

secondary

#4A44CF

accent

#04E10E

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF47B

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

Preview Lab → · Contrast checker → · Palette generator →