#EFFFC3#EFFFC3

#EFFFC3 is a very light, moderate yellow-green. Relative luminance 0.938; OKLCH L 97.4% C 0.079 H 120.0°. Best body text is #000000 at 19.76:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFC3
RGB	rgb(239, 255, 195)
HSL	hsl(76, 100%, 88%)
HSV	hsv(76, 24%, 100%)
CMYK	cmyk(6.3%, 0%, 23.5%, 0%)
CIE-LAB	lab(97.56, -15.02, 27.00)
CIE-LCH	lch(97.56, 30.89, 119.09°)
OKLab	oklab(97.36% -0.0396 0.0685)
OKLCH	oklch(97.36% 0.079 120)
XYZ	xyz(81.2060, 93.8110, 65.4484)
Luminance	0.9381 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFC3 #D3C3FF

analogous

#FFF1C3 #EFFFC3 #D1FFC3

triadic

#EFFFC3 #C3EFFF #FFC3EF

tetradic

#EFFFC3 #C3FFF1 #D3C3FF #FFC3D1

square

#EFFFC3 #C3FFF1 #D3C3FF #FFC3D1

split-complementary

#EFFFC3 #C3D1FF #F1C3FF

monochromatic

#CEFF49 #DFFF86 #EFFFC3 #F7FFE0 #F7FFE0

Accessibility & contrast

On white

1.06

#EFFFC3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.76

#EFFFC3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFC3

19.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFC3	#FFFFFF	#000000	##000000
##EFFFC3	1.00	1.06	19.76	19.76
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.76	21.00	1.00	1.00
##000000	19.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF8BF

Deuteranopia (green-blind)

#FFF8C5

Tritanopia (blue-blind)

#F5F9EF

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #efffc3;
/* rgb */ color: rgb(239, 255, 195);
/* oklch */ color: oklch(97.4% 0.079 120.0);

Tailwind

colors: {
  custom: {
    50: '#f4ffd5',
    500: '#efffc3',
    950: '#000000',
  },
}

SCSS

$custom: #efffc3;
$custom-light: #f4ffd5;
$custom-dark: #000000;

JSON

{
  "hex": "#efffc3",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 195
  },
  "hsl": {
    "h": 76,
    "s": 100,
    "l": 88.235
  },
  "oklch": {
    "l": 0.97357,
    "c": 0.07911,
    "h": 120
  },
  "luminance": 0.93811
}

Semantic roles & 50–950 ramp

primary

#EFFFC3

secondary

#9A7EE8

accent

#00E63D

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171814

muted

#858683

Preview Lab

Preview with #EFFFC3

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

Preview Lab → · Contrast checker → · Palette generator →