#EFF4A3#EFF4A3

#EFF4A3 is a very light, moderate yellow. Relative luminance 0.857; OKLCH L 94.5% C 0.102 H 111.2°. Best body text is #000000 at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#EFF4A3
RGB	rgb(239, 244, 163)
HSL	hsl(64, 79%, 80%)
HSV	hsv(64, 33%, 96%)
CMYK	cmyk(2%, 0%, 33.2%, 4.3%)
CIE-LAB	lab(94.18, -13.80, 38.55)
CIE-LCH	lch(94.18, 40.94, 109.69°)
OKLab	oklab(94.5% -0.037 0.0954)
OKLCH	oklch(94.5% 0.102 111.2)
XYZ	xyz(74.5586, 85.6975, 47.2568)
Luminance	0.8570 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF4A3 #A8A3F4

analogous

#F4D1A3 #EFF4A3 #C6F4A3

triadic

#EFF4A3 #A3EFF4 #F4A3EF

tetradic

#EFF4A3 #A3F4D1 #A8A3F4 #F4A3C6

square

#EFF4A3 #A3F4D1 #A8A3F4 #F4A3C6

split-complementary

#EFF4A3 #A3C6F4 #D1A3F4

monochromatic

#DCE736 #E5ED6C #EFF4A3 #F9FBDA #FAFCE4

Accessibility & contrast

On white

1.16

#EFF4A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.14

#EFF4A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF4A3

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF4A3	#FFFFFF	#000000	##000000
##EFF4A3	1.00	1.16	18.14	18.14
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.14	21.00	1.00	1.00
##000000	18.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED9D

Deuteranopia (green-blind)

#FFF0A6

Tritanopia (blue-blind)

#F9EBDF

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff4a3;
/* rgb */ color: rgb(239, 244, 163);
/* oklch */ color: oklch(94.5% 0.102 111.2);

Tailwind

colors: {
  custom: {
    50: '#f5f7bf',
    500: '#eff4a3',
    950: '#000000',
  },
}

SCSS

$custom: #eff4a3;
$custom-light: #f5f7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#eff4a3",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 163
  },
  "hsl": {
    "h": 63.704,
    "s": 78.641,
    "l": 79.804
  },
  "oklch": {
    "l": 0.94499,
    "c": 0.10228,
    "h": 111.2
  },
  "luminance": 0.85696
}

Semantic roles & 50–950 ramp

primary

#EFF4A3

secondary

#6F68D3

accent

#0BDB17

background

#FFFFFD

surface

#FEFEF9

border

#D6D6D2

text

#171712

muted

#858582

Preview Lab

Preview with #EFF4A3

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

Preview Lab → · Contrast checker → · Palette generator →