#EFF49B#EFF49B

#EFF49B is a very light, moderate yellow. Relative luminance 0.854; OKLCH L 94.4% C 0.111 H 111.1°. Best body text is #000000 at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#EFF49B
RGB	rgb(239, 244, 155)
HSL	hsl(63, 80%, 78%)
HSV	hsv(63, 36%, 96%)
CMYK	cmyk(2%, 0%, 36.5%, 4.3%)
CIE-LAB	lab(94.06, -14.72, 42.35)
CIE-LCH	lch(94.06, 44.84, 109.16°)
OKLab	oklab(94.37% -0.0401 0.1039)
OKLCH	oklch(94.37% 0.111 111.1)
XYZ	xyz(73.8643, 85.4198, 43.6005)
Luminance	0.8542 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF49B #A09BF4

analogous

#F4CC9B #EFF49B #C2F49B

triadic

#EFF49B #9BEFF4 #F49BEF

tetradic

#EFF49B #9BF4CC #A09BF4 #F49BC2

square

#EFF49B #9BF4CC #A09BF4 #F49BC2

split-complementary

#EFF49B #9BC2F4 #CC9BF4

monochromatic

#DDE82D #E6EE64 #EFF49B #F8FAD2 #FBFCE3

Accessibility & contrast

On white

1.16

#EFF49B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.08

#EFF49B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF49B

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF49B	#FFFFFF	#000000	##000000
##EFF49B	1.00	1.16	18.08	18.08
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.08	21.00	1.00	1.00
##000000	18.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC94

Deuteranopia (green-blind)

#FFEF9F

Tritanopia (blue-blind)

#FAEADE

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff49b;
/* rgb */ color: rgb(239, 244, 155);
/* oklch */ color: oklch(94.4% 0.111 111.1);

Tailwind

colors: {
  custom: {
    50: '#f5f7b9',
    500: '#eff49b',
    950: '#000000',
  },
}

SCSS

$custom: #eff49b;
$custom-light: #f5f7b9;
$custom-dark: #000000;

JSON

{
  "hex": "#eff49b",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 155
  },
  "hsl": {
    "h": 63.371,
    "s": 80.18,
    "l": 78.235
  },
  "oklch": {
    "l": 0.94365,
    "c": 0.11133,
    "h": 111.1
  },
  "luminance": 0.85419
}

Semantic roles & 50–950 ramp

primary

#EFF49B

secondary

#6761D3

accent

#09DD15

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF49B

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

Preview Lab → · Contrast checker → · Palette generator →