#EFF3A0#EFF3A0

#EFF3A0 is a very light, moderate yellow. Relative luminance 0.850; OKLCH L 94.2% C 0.104 H 110.6°. Best body text is #000000 at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#EFF3A0
RGB	rgb(239, 243, 160)
HSL	hsl(63, 78%, 79%)
HSV	hsv(63, 34%, 95%)
CMYK	cmyk(1.6%, 0%, 34.2%, 4.7%)
CIE-LAB	lab(93.88, -13.66, 39.64)
CIE-LCH	lch(93.88, 41.93, 109.01°)
OKLab	oklab(94.24% -0.0367 0.0978)
OKLCH	oklch(94.24% 0.104 110.6)
XYZ	xyz(73.9929, 84.9911, 45.7579)
Luminance	0.8499 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF3A0 #A4A0F3

analogous

#F3CEA0 #EFF3A0 #C6F3A0

triadic

#EFF3A0 #A0EFF3 #F3A0EF

tetradic

#EFF3A0 #A0F3CE #A4A0F3 #F3A0C6

square

#EFF3A0 #A0F3CE #A4A0F3 #F3A0C6

split-complementary

#EFF3A0 #A0C6F3 #CEA0F3

monochromatic

#DDE533 #E6EC6A #EFF3A0 #F8FAD6 #FAFCE4

Accessibility & contrast

On white

1.17

#EFF3A0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.00

#EFF3A0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF3A0

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF3A0	#FFFFFF	#000000	##000000
##EFF3A0	1.00	1.17	18.00	18.00
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.00	21.00	1.00	1.00
##000000	18.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC9A

Deuteranopia (green-blind)

#FFEFA4

Tritanopia (blue-blind)

#FAE9DE

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff3a0;
/* rgb */ color: rgb(239, 243, 160);
/* oklch */ color: oklch(94.2% 0.104 110.6);

Tailwind

colors: {
  custom: {
    50: '#f5f7bd',
    500: '#eff3a0',
    950: '#000000',
  },
}

SCSS

$custom: #eff3a0;
$custom-light: #f5f7bd;
$custom-dark: #000000;

JSON

{
  "hex": "#eff3a0",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 160
  },
  "hsl": {
    "h": 62.892,
    "s": 77.57,
    "l": 79.02
  },
  "oklch": {
    "l": 0.94243,
    "c": 0.10447,
    "h": 110.6
  },
  "luminance": 0.8499
}

Semantic roles & 50–950 ramp

primary

#EFF3A0

secondary

#6B66D2

accent

#0CDA16

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #EFF3A0

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

Preview Lab → · Contrast checker → · Palette generator →