#EFF9BC#EFF9BC

#EFF9BC is a very light, moderate yellow. Relative luminance 0.897; OKLCH L 96.0% C 0.079 H 115.5°. Best body text is #000000 at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFF9BC
RGB	rgb(239, 249, 188)
HSL	hsl(70, 84%, 86%)
HSV	hsv(70, 24%, 98%)
CMYK	cmyk(4%, 0%, 24.5%, 2.4%)
CIE-LAB	lab(95.89, -13.05, 28.26)
CIE-LCH	lch(95.89, 31.13, 114.79°)
OKLab	oklab(95.99% -0.0341 0.0715)
OKLCH	oklch(95.99% 0.079 115.5)
XYZ	xyz(78.5488, 89.7334, 60.7495)
Luminance	0.8973 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF9BC #C6BCF9

analogous

#F9E4BC #EFF9BC #D0F9BC

triadic

#EFF9BC #BCEFF9 #F9BCEF

tetradic

#EFF9BC #BCF9E4 #C6BCF9 #F9BCD0

square

#EFF9BC #BCF9E4 #C6BCF9 #F9BCD0

split-complementary

#EFF9BC #BCD0F9 #E4BCF9

monochromatic

#D4EF4C #E2F484 #EFF9BC #F8FCE3 #F8FCE3

Accessibility & contrast

On white

1.11

#EFF9BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.95

#EFF9BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF9BC

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF9BC	#FFFFFF	#000000	##000000
##EFF9BC	1.00	1.11	18.95	18.95
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.95	21.00	1.00	1.00
##000000	18.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF3B8

Deuteranopia (green-blind)

#FFF4BE

Tritanopia (blue-blind)

#F6F2E9

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #eff9bc;
/* rgb */ color: rgb(239, 249, 188);
/* oklch */ color: oklch(96.0% 0.079 115.5);

Tailwind

colors: {
  custom: {
    50: '#f4fbd0',
    500: '#eff9bc',
    950: '#000000',
  },
}

SCSS

$custom: #eff9bc;
$custom-light: #f4fbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#eff9bc",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 188
  },
  "hsl": {
    "h": 69.836,
    "s": 83.562,
    "l": 85.686
  },
  "oklch": {
    "l": 0.95989,
    "c": 0.07918,
    "h": 115.5
  },
  "luminance": 0.89733
}

Semantic roles & 50–950 ramp

primary

#EFF9BC

secondary

#8C7CDD

accent

#06E029

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFF9BC

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

Preview Lab → · Contrast checker → · Palette generator →