#EFFFA1#EFFFA1

#EFFFA1 is a very light, moderate yellow-green. Relative luminance 0.924; OKLCH L 96.7% C 0.119 H 116.6°. Best body text is #000000 at 19.49:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFA1
RGB	rgb(239, 255, 161)
HSL	hsl(70, 100%, 82%)
HSV	hsv(70, 37%, 100%)
CMYK	cmyk(6.3%, 0%, 36.9%, 0%)
CIE-LAB	lab(97.00, -19.38, 43.19)
CIE-LCH	lch(97.00, 47.34, 114.16°)
OKLab	oklab(96.73% -0.053 0.106)
OKLCH	oklch(96.73% 0.119 116.6)
XYZ	xyz(77.7899, 92.4446, 47.4569)
Luminance	0.9244 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFA1 #B1A1FF

analogous

#FFE0A1 #EFFFA1 #C0FFA1

triadic

#EFFFA1 #A1EFFF #FFA1EF

tetradic

#EFFFA1 #A1FFE0 #B1A1FF #FFA1C0

square

#EFFFA1 #A1FFE0 #B1A1FF #FFA1C0

split-complementary

#EFFFA1 #A1C0FF #E0A1FF

monochromatic

#DAFF27 #E5FF64 #EFFFA1 #F9FFDE #FAFFE0

Accessibility & contrast

On white

1.08

#EFFFA1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.49

#EFFFA1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFA1

19.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFA1	#FFFFFF	#000000	##000000
##EFFFA1	1.00	1.08	19.49	19.49
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.49	21.00	1.00	1.00
##000000	19.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF69A

Deuteranopia (green-blind)

#FFF7A5

Tritanopia (blue-blind)

#F9F5E8

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #efffa1;
/* rgb */ color: rgb(239, 255, 161);
/* oklch */ color: oklch(96.7% 0.119 116.6);

Tailwind

colors: {
  custom: {
    50: '#f5ffbe',
    500: '#efffa1',
    950: '#000000',
  },
}

SCSS

$custom: #efffa1;
$custom-light: #f5ffbe;
$custom-dark: #000000;

JSON

{
  "hex": "#efffa1",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 161
  },
  "hsl": {
    "h": 70.213,
    "s": 100,
    "l": 81.569
  },
  "oklch": {
    "l": 0.96734,
    "c": 0.11854,
    "h": 116.6
  },
  "luminance": 0.92444
}

Semantic roles & 50–950 ramp

primary

#EFFFA1

secondary

#7761E3

accent

#00E627

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171812

muted

#858682

Preview Lab

Preview with #EFFFA1

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

Preview Lab → · Contrast checker → · Palette generator →