#EFFFA3#EFFFA3

#EFFFA3 is a very light, moderate yellow-green. Relative luminance 0.925; OKLCH L 96.8% C 0.116 H 116.7°. Best body text is #000000 at 19.50:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFA3
RGB	rgb(239, 255, 163)
HSL	hsl(70, 100%, 82%)
HSV	hsv(70, 36%, 100%)
CMYK	cmyk(6.3%, 0%, 36.1%, 0%)
CIE-LAB	lab(97.03, -19.15, 42.25)
CIE-LCH	lch(97.03, 46.39, 114.38°)
OKLab	oklab(96.77% -0.0522 0.104)
OKLCH	oklch(96.77% 0.116 116.7)
XYZ	xyz(77.9677, 92.5157, 48.3932)
Luminance	0.9252 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFA3 #B3A3FF

analogous

#FFE1A3 #EFFFA3 #C1FFA3

triadic

#EFFFA3 #A3EFFF #FFA3EF

tetradic

#EFFFA3 #A3FFE1 #B3A3FF #FFA3C1

square

#EFFFA3 #A3FFE1 #B3A3FF #FFA3C1

split-complementary

#EFFFA3 #A3C1FF #E1A3FF

monochromatic

#DAFF29 #E4FF66 #EFFFA3 #FAFFE0 #FAFFE0

Accessibility & contrast

On white

1.08

#EFFFA3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.50

#EFFFA3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFA3

19.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFA3	#FFFFFF	#000000	##000000
##EFFFA3	1.00	1.08	19.50	19.50
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.50	21.00	1.00	1.00
##000000	19.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF69C

Deuteranopia (green-blind)

#FFF7A7

Tritanopia (blue-blind)

#F8F5E8

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #efffa3;
/* rgb */ color: rgb(239, 255, 163);
/* oklch */ color: oklch(96.8% 0.116 116.7);

Tailwind

colors: {
  custom: {
    50: '#f5ffbf',
    500: '#efffa3',
    950: '#000000',
  },
}

SCSS

$custom: #efffa3;
$custom-light: #f5ffbf;
$custom-dark: #000000;

JSON

{
  "hex": "#efffa3",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 163
  },
  "hsl": {
    "h": 70.435,
    "s": 100,
    "l": 81.961
  },
  "oklch": {
    "l": 0.96767,
    "c": 0.11633,
    "h": 116.7
  },
  "luminance": 0.92515
}

Semantic roles & 50–950 ramp

primary

#EFFFA3

secondary

#7963E3

accent

#00E628

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171812

muted

#858682

Preview Lab

Preview with #EFFFA3

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

Preview Lab → · Contrast checker → · Palette generator →