#EFFFB3#EFFFB3

#EFFFB3 is a very light, moderate yellow-green. Relative luminance 0.931; OKLCH L 97.0% C 0.098 H 117.9°. Best body text is #000000 at 19.63:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFB3
RGB	rgb(239, 255, 179)
HSL	hsl(73, 100%, 85%)
HSV	hsv(73, 30%, 100%)
CMYK	cmyk(6.3%, 0%, 29.8%, 0%)
CIE-LAB	lab(97.28, -17.18, 34.66)
CIE-LCH	lch(97.28, 38.69, 116.37°)
OKLab	oklab(97.05% -0.0459 0.0867)
OKLCH	oklch(97.05% 0.098 117.9)
XYZ	xyz(79.4929, 93.1258, 56.4264)
Luminance	0.9313 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFB3 #C3B3FF

analogous

#FFE9B3 #EFFFB3 #C9FFB3

triadic

#EFFFB3 #B3EFFF #FFB3EF

tetradic

#EFFFB3 #B3FFE9 #C3B3FF #FFB3C9

square

#EFFFB3 #B3FFE9 #C3B3FF #FFB3C9

split-complementary

#EFFFB3 #B3C9FF #E9B3FF

monochromatic

#D5FF39 #E2FF76 #EFFFB3 #F9FFE0 #F9FFE0

Accessibility & contrast

On white

1.07

#EFFFB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.63

#EFFFB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFB3

19.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFB3	#FFFFFF	#000000	##000000
##EFFFB3	1.00	1.07	19.63	19.63
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.63	21.00	1.00	1.00
##000000	19.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF7AE

Deuteranopia (green-blind)

#FFF8B6

Tritanopia (blue-blind)

#F7F7EB

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #efffb3;
/* rgb */ color: rgb(239, 255, 179);
/* oklch */ color: oklch(97.0% 0.098 117.9);

Tailwind

colors: {
  custom: {
    50: '#f5ffca',
    500: '#efffb3',
    950: '#000000',
  },
}

SCSS

$custom: #efffb3;
$custom-light: #f5ffca;
$custom-dark: #000000;

JSON

{
  "hex": "#efffb3",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 179
  },
  "hsl": {
    "h": 72.632,
    "s": 100,
    "l": 85.098
  },
  "oklch": {
    "l": 0.97045,
    "c": 0.0981,
    "h": 117.9
  },
  "luminance": 0.93125
}

Semantic roles & 50–950 ramp

primary

#EFFFB3

secondary

#8970E6

accent

#00E630

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171813

muted

#858682

Preview Lab

Preview with #EFFFB3

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

Preview Lab → · Contrast checker → · Palette generator →