#EFF56F#EFF56F

#EFF56F is a very light, vivid yellow. Relative luminance 0.848; OKLCH L 94.0% C 0.156 H 111.4°. Best body text is #000000 at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#EFF56F
RGB	rgb(239, 245, 111)
HSL	hsl(63, 87%, 70%)
HSV	hsv(63, 55%, 96%)
CMYK	cmyk(2.4%, 0%, 54.7%, 3.9%)
CIE-LAB	lab(93.80, -19.34, 62.64)
CIE-LCH	lch(93.80, 65.56, 107.16°)
OKLab	oklab(93.98% -0.0571 0.1456)
OKLCH	oklch(93.98% 0.156 111.4)
XYZ	xyz(71.1199, 84.8048, 27.6583)
Luminance	0.8480 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF56F #756FF5

analogous

#F5B86F #EFF56F #ACF56F

triadic

#EFF56F #6FEFF5 #F56FEF

tetradic

#EFF56F #6FF5B8 #756FF5 #F56FAC

square

#EFF56F #6FF5B8 #756FF5 #F56FAC

split-complementary

#EFF56F #6FACF5 #B86FF5

monochromatic

#D1DA0F #E9F136 #EFF56F #F5F9A8 #FCFDE1

Accessibility & contrast

On white

1.17

#EFF56F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.96

#EFF56F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF56F

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF56F	#FFFFFF	#000000	##000000
##EFF56F	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)

#FFEB61

Deuteranopia (green-blind)

#FFEF77

Tritanopia (blue-blind)

#FDE8D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff56f;
/* rgb */ color: rgb(239, 245, 111);
/* oklch */ color: oklch(94.0% 0.156 111.4);

Tailwind

colors: {
  custom: {
    50: '#f7f89c',
    500: '#eff56f',
    950: '#000000',
  },
}

SCSS

$custom: #eff56f;
$custom-light: #f7f89c;
$custom-dark: #000000;

JSON

{
  "hex": "#eff56f",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 111
  },
  "hsl": {
    "h": 62.687,
    "s": 87.013,
    "l": 69.804
  },
  "oklch": {
    "l": 0.93984,
    "c": 0.15641,
    "h": 111.4
  },
  "luminance": 0.84803
}

Semantic roles & 50–950 ramp

primary

#EFF56F

secondary

#4039CF

accent

#02E40C

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #EFF56F

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

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