#EFFFB8#EFFFB8

#EFFFB8 is a very light, moderate yellow-green. Relative luminance 0.933; OKLCH L 97.1% C 0.092 H 118.5°. Best body text is #000000 at 19.67:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFB8
RGB	rgb(239, 255, 184)
HSL	hsl(74, 100%, 86%)
HSV	hsv(74, 28%, 100%)
CMYK	cmyk(6.3%, 0%, 27.8%, 0%)
CIE-LAB	lab(97.36, -16.53, 32.27)
CIE-LCH	lch(97.36, 36.26, 117.12°)
OKLab	oklab(97.14% -0.044 0.0811)
OKLCH	oklch(97.14% 0.092 118.5)
XYZ	xyz(80.0078, 93.3317, 59.1380)
Luminance	0.9333 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFB8 #C8B8FF

analogous

#FFEBB8 #EFFFB8 #CBFFB8

triadic

#EFFFB8 #B8EFFF #FFB8EF

tetradic

#EFFFB8 #B8FFEB #C8B8FF #FFB8CB

square

#EFFFB8 #B8FFEB #C8B8FF #FFB8CB

split-complementary

#EFFFB8 #B8CBFF #EBB8FF

monochromatic

#D3FF3E #E1FF7B #EFFFB8 #F8FFE0 #F8FFE0

Accessibility & contrast

On white

1.07

#EFFFB8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.67

#EFFFB8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFB8

19.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFB8	#FFFFFF	#000000	##000000
##EFFFB8	1.00	1.07	19.67	19.67
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.67	21.00	1.00	1.00
##000000	19.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF7B3

Deuteranopia (green-blind)

#FFF8BB

Tritanopia (blue-blind)

#F6F7EC

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #efffb8;
/* rgb */ color: rgb(239, 255, 184);
/* oklch */ color: oklch(97.1% 0.092 118.5);

Tailwind

colors: {
  custom: {
    50: '#f5ffcd',
    500: '#efffb8',
    950: '#000000',
  },
}

SCSS

$custom: #efffb8;
$custom-light: #f5ffcd;
$custom-dark: #000000;

JSON

{
  "hex": "#efffb8",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 184
  },
  "hsl": {
    "h": 73.521,
    "s": 100,
    "l": 86.078
  },
  "oklch": {
    "l": 0.97139,
    "c": 0.09223,
    "h": 118.5
  },
  "luminance": 0.93331
}

Semantic roles & 50–950 ramp

primary

#EFFFB8

secondary

#8E75E7

accent

#00E634

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171813

muted

#858683

Preview Lab

Preview with #EFFFB8

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

Preview Lab → · Contrast checker → · Palette generator →