#EFFFC8#EFFFC8

#EFFFC8 is a very light, moderate yellow-green. Relative luminance 0.940; OKLCH L 97.5% C 0.073 H 120.9°. Best body text is #000000 at 19.81:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFC8
RGB	rgb(239, 255, 200)
HSL	hsl(77, 100%, 89%)
HSV	hsv(77, 22%, 100%)
CMYK	cmyk(6.3%, 0%, 21.6%, 0%)
CIE-LAB	lab(97.65, -14.30, 24.59)
CIE-LCH	lch(97.65, 28.45, 120.18°)
OKLab	oklab(97.46% -0.0376 0.0627)
OKLCH	oklch(97.46% 0.073 120.9)
XYZ	xyz(81.7808, 94.0409, 68.4757)
Luminance	0.9404 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFC8 #D8C8FF

analogous

#FFF4C8 #EFFFC8 #D4FFC8

triadic

#EFFFC8 #C8EFFF #FFC8EF

tetradic

#EFFFC8 #C8FFF4 #D8C8FF #FFC8D4

square

#EFFFC8 #C8FFF4 #D8C8FF #FFC8D4

split-complementary

#EFFFC8 #C8D4FF #F4C8FF

monochromatic

#CBFF4E #DDFF8B #EFFFC8 #F6FFE0 #F6FFE0

Accessibility & contrast

On white

1.06

#EFFFC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.81

#EFFFC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFC8

19.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFC8	#FFFFFF	#000000	##000000
##EFFFC8	1.00	1.06	19.81	19.81
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.81	21.00	1.00	1.00
##000000	19.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF8C5

Deuteranopia (green-blind)

#FFF8CA

Tritanopia (blue-blind)

#F4F9F0

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #efffc8;
/* rgb */ color: rgb(239, 255, 200);
/* oklch */ color: oklch(97.5% 0.073 120.9);

Tailwind

colors: {
  custom: {
    50: '#f4ffd9',
    500: '#efffc8',
    950: '#000000',
  },
}

SCSS

$custom: #efffc8;
$custom-light: #f4ffd9;
$custom-dark: #000000;

JSON

{
  "hex": "#efffc8",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 200
  },
  "hsl": {
    "h": 77.455,
    "s": 100,
    "l": 89.216
  },
  "oklch": {
    "l": 0.97461,
    "c": 0.07307,
    "h": 120.9
  },
  "luminance": 0.94041
}

Semantic roles & 50–950 ramp

primary

#EFFFC8

secondary

#A082E9

accent

#00E643

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171814

muted

#858683

Preview Lab

Preview with #EFFFC8

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

Preview Lab → · Contrast checker → · Palette generator →