#EFF56E#EFF56E

#EFF56E is a very light, vivid yellow. Relative luminance 0.848; OKLCH L 94.0% C 0.157 H 111.4°. Best body text is #000000 at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#EFF56E
RGB	rgb(239, 245, 110)
HSL	hsl(63, 87%, 70%)
HSV	hsv(63, 55%, 96%)
CMYK	cmyk(2.4%, 0%, 55.1%, 3.9%)
CIE-LAB	lab(93.79, -19.42, 63.07)
CIE-LCH	lch(93.79, 65.99, 107.11°)
OKLab	oklab(93.97% -0.0574 0.1464)
OKLCH	oklch(93.97% 0.157 111.4)
XYZ	xyz(71.0652, 84.7829, 27.3700)
Luminance	0.8478 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF56E #746EF5

analogous

#F5B86E #EFF56E #ABF56E

triadic

#EFF56E #6EEFF5 #F56EEF

tetradic

#EFF56E #6EF5B8 #746EF5 #F56EAB

square

#EFF56E #6EF5B8 #746EF5 #F56EAB

split-complementary

#EFF56E #6EABF5 #B86EF5

monochromatic

#D1DA0F #E9F135 #EFF56E #F5F9A7 #FCFDE1

Accessibility & contrast

On white

1.17

#EFF56E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.96

#EFF56E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF56E

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF56E	#FFFFFF	#000000	##000000
##EFF56E	1.00	1.17	17.96	17.96
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.96	21.00	1.00	1.00
##000000	17.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB60

Deuteranopia (green-blind)

#FFEF76

Tritanopia (blue-blind)

#FDE8D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff56e;
/* rgb */ color: rgb(239, 245, 110);
/* oklch */ color: oklch(94.0% 0.157 111.4);

Tailwind

colors: {
  custom: {
    50: '#f7f89c',
    500: '#eff56e',
    950: '#000000',
  },
}

SCSS

$custom: #eff56e;
$custom-light: #f7f89c;
$custom-dark: #000000;

JSON

{
  "hex": "#eff56e",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 110
  },
  "hsl": {
    "h": 62.667,
    "s": 87.097,
    "l": 69.608
  },
  "oklch": {
    "l": 0.93974,
    "c": 0.15727,
    "h": 111.4
  },
  "luminance": 0.84781
}

Semantic roles & 50–950 ramp

primary

#EFF56E

secondary

#3F38CF

accent

#02E40C

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #EFF56E

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

Preview Lab → · Contrast checker → · Palette generator →