#EFFDCB#EFFDCB

#EFFDCB is a very light, moderate yellow-green. Relative luminance 0.929; OKLCH L 97.1% C 0.067 H 120.4°. Best body text is #000000 at 19.58:1 contrast (WCAG AA passes).

Color values

HEX	#EFFDCB
RGB	rgb(239, 253, 203)
HSL	hsl(77, 93%, 89%)
HSV	hsv(77, 20%, 99%)
CMYK	cmyk(5.5%, 0%, 19.8%, 0.8%)
CIE-LAB	lab(97.19, -12.88, 22.44)
CIE-LCH	lch(97.19, 25.87, 119.86°)
OKLab	oklab(97.12% -0.0336 0.0574)
OKLCH	oklch(97.12% 0.067 120.4)
XYZ	xyz(81.5002, 92.9132, 70.1288)
Luminance	0.9291 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFDCB #D9CBFD

analogous

#FDF2CB #EFFDCB #D6FDCB

triadic

#EFFDCB #CBEFFD #FDCBEF

tetradic

#EFFDCB #CBFDF2 #D9CBFD #FDCBD6

square

#EFFDCB #CBFDF2 #D9CBFD #FDCBD6

split-complementary

#EFFDCB #CBD6FD #F2CBFD

monochromatic

#CBF855 #DDFB90 #EFFDCB #F6FEE2 #F6FEE2

Accessibility & contrast

On white

1.07

#EFFDCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.58

#EFFDCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFDCB

19.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFDCB	#FFFFFF	#000000	##000000
##EFFDCB	1.00	1.07	19.58	19.58
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.58	21.00	1.00	1.00
##000000	19.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF7C8

Deuteranopia (green-blind)

#FFF7CD

Tritanopia (blue-blind)

#F4F8EF

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #effdcb;
/* rgb */ color: rgb(239, 253, 203);
/* oklch */ color: oklch(97.1% 0.067 120.4);

Tailwind

colors: {
  custom: {
    50: '#f4fedb',
    500: '#effdcb',
    950: '#000000',
  },
}

SCSS

$custom: #effdcb;
$custom-light: #f4fedb;
$custom-dark: #000000;

JSON

{
  "hex": "#effdcb",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 203
  },
  "hsl": {
    "h": 76.8,
    "s": 92.593,
    "l": 89.412
  },
  "oklch": {
    "l": 0.97117,
    "c": 0.06651,
    "h": 120.4
  },
  "luminance": 0.92913
}

Semantic roles & 50–950 ramp

primary

#EFFDCB

secondary

#A187E5

accent

#00E640

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171715

muted

#858584

Preview Lab

Preview with #EFFDCB

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

Preview Lab → · Contrast checker → · Palette generator →