#EFFF93#EFFF93

#EFFF93 is a very light, vivid yellow. Relative luminance 0.920; OKLCH L 96.5% C 0.134 H 115.9°. Best body text is #000000 at 19.40:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF93
RGB	rgb(239, 255, 147)
HSL	hsl(69, 100%, 79%)
HSV	hsv(69, 42%, 100%)
CMYK	cmyk(6.3%, 0%, 42.4%, 0%)
CIE-LAB	lab(96.81, -20.91, 49.71)
CIE-LCH	lch(96.81, 53.93, 112.81°)
OKLab	oklab(96.52% -0.0583 0.1202)
OKLCH	oklch(96.52% 0.134 115.9)
XYZ	xyz(76.6237, 91.9781, 41.3151)
Luminance	0.9198 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF93 #A393FF

analogous

#FFD993 #EFFF93 #B9FF93

triadic

#EFFF93 #93EFFF #FF93EF

tetradic

#EFFF93 #93FFD9 #A393FF #FF93B9

square

#EFFF93 #93FFD9 #A393FF #FF93B9

split-complementary

#EFFF93 #93B9FF #D993FF

monochromatic

#DDFF19 #E6FF56 #EFFF93 #F8FFD0 #FAFFE0

Accessibility & contrast

On white

1.08

#EFFF93 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.40

#EFFF93 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF93

19.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF93	#FFFFFF	#000000	##000000
##EFFF93	1.00	1.08	19.40	19.40
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.40	21.00	1.00	1.00
##000000	19.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF58A

Deuteranopia (green-blind)

#FFF798

Tritanopia (blue-blind)

#FAF4E5

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #efff93;
/* rgb */ color: rgb(239, 255, 147);
/* oklch */ color: oklch(96.5% 0.134 115.9);

Tailwind

colors: {
  custom: {
    50: '#f6ffb4',
    500: '#efff93',
    950: '#000000',
  },
}

SCSS

$custom: #efff93;
$custom-light: #f6ffb4;
$custom-dark: #000000;

JSON

{
  "hex": "#efff93",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 147
  },
  "hsl": {
    "h": 68.889,
    "s": 100,
    "l": 78.824
  },
  "oklch": {
    "l": 0.9652,
    "c": 0.13356,
    "h": 115.9
  },
  "luminance": 0.91977
}

Semantic roles & 50–950 ramp

primary

#EFFF93

secondary

#6A55E1

accent

#00E622

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171811

muted

#858681

Preview Lab

Preview with #EFFF93

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

Preview Lab → · Contrast checker → · Palette generator →