#EFF5B3#EFF5B3

#EFF5B3 is a very light, moderate yellow. Relative luminance 0.869; OKLCH L 95.0% C 0.085 H 112.2°. Best body text is #000000 at 18.38:1 contrast (WCAG AA passes).

Color values

HEX	#EFF5B3
RGB	rgb(239, 245, 179)
HSL	hsl(65, 77%, 83%)
HSV	hsv(65, 27%, 96%)
CMYK	cmyk(2.4%, 0%, 26.9%, 3.9%)
CIE-LAB	lab(94.70, -12.29, 31.21)
CIE-LCH	lch(94.70, 33.54, 111.50°)
OKLab	oklab(95% -0.0321 0.0784)
OKLCH	oklch(95% 0.085 112.2)
XYZ	xyz(76.3856, 86.9110, 55.3906)
Luminance	0.8691 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF5B3 #B9B3F5

analogous

#F5DAB3 #EFF5B3 #CEF5B3

triadic

#EFF5B3 #B3EFF5 #F5B3EF

tetradic

#EFF5B3 #B3F5DA #B9B3F5 #F5B3CE

square

#EFF5B3 #B3F5DA #B9B3F5 #F5B3CE

split-complementary

#EFF5B3 #B3CEF5 #DAB3F5

monochromatic

#D8E747 #E4EE7D #EFF5B3 #F9FBE4 #F9FBE4

Accessibility & contrast

On white

1.14

#EFF5B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.38

#EFF5B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF5B3

18.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF5B3	#FFFFFF	#000000	##000000
##EFF5B3	1.00	1.14	18.38	18.38
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.38	21.00	1.00	1.00
##000000	18.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEFAF

Deuteranopia (green-blind)

#FFF1B6

Tritanopia (blue-blind)

#F7EDE4

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff5b3;
/* rgb */ color: rgb(239, 245, 179);
/* oklch */ color: oklch(95.0% 0.085 112.2);

Tailwind

colors: {
  custom: {
    50: '#f5f8ca',
    500: '#eff5b3',
    950: '#000000',
  },
}

SCSS

$custom: #eff5b3;
$custom-light: #f5f8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#eff5b3",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 179
  },
  "hsl": {
    "h": 65.455,
    "s": 76.744,
    "l": 83.137
  },
  "oklch": {
    "l": 0.94996,
    "c": 0.08473,
    "h": 112.2
  },
  "luminance": 0.8691
}

Semantic roles & 50–950 ramp

primary

#EFF5B3

secondary

#7F76D6

accent

#0DD91F

background

#FFFFFD

surface

#FEFEF9

border

#D6D6D2

text

#171713

muted

#858582

Preview Lab

Preview with #EFF5B3

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

Preview Lab → · Contrast checker → · Palette generator →