#EFF17E#EFF17E

#EFF17E is a very light, vivid yellow. Relative luminance 0.828; OKLCH L 93.3% C 0.138 H 109.7°. Best body text is #000000 at 17.55:1 contrast (WCAG AA passes).

Color values

HEX	#EFF17E
RGB	rgb(239, 241, 126)
HSL	hsl(61, 80%, 72%)
HSV	hsv(61, 48%, 95%)
CMYK	cmyk(0.8%, 0%, 47.7%, 5.5%)
CIE-LAB	lab(92.91, -16.17, 54.84)
CIE-LCH	lch(92.91, 57.17, 106.43°)
OKLab	oklab(93.33% -0.0466 0.1301)
OKLCH	oklch(93.33% 0.138 109.7)
XYZ	xyz(70.8193, 82.7692, 31.9801)
Luminance	0.8277 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF17E #807EF1

analogous

#F1B97E #EFF17E #B6F17E

triadic

#EFF17E #7EEFF1 #F17EEF

tetradic

#EFF17E #7EF1B9 #807EF1 #F17EB6

square

#EFF17E #7EF1B9 #807EF1 #F17EB6

split-complementary

#EFF17E #7EB6F1 #B97EF1

monochromatic

#D9DD18 #E8EB47 #EFF17E #F6F7B5 #FCFCE3

Accessibility & contrast

On white

1.20

#EFF17E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.55

#EFF17E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF17E

17.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF17E	#FFFFFF	#000000	##000000
##EFF17E	1.00	1.20	17.55	17.55
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.55	21.00	1.00	1.00
##000000	17.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE974

Deuteranopia (green-blind)

#FFED84

Tritanopia (blue-blind)

#FDE5D6

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff17e;
/* rgb */ color: rgb(239, 241, 126);
/* oklch */ color: oklch(93.3% 0.138 109.7);

Tailwind

colors: {
  custom: {
    50: '#f6f5a6',
    500: '#eff17e',
    950: '#000000',
  },
}

SCSS

$custom: #eff17e;
$custom-light: #f6f5a6;
$custom-dark: #000000;

JSON

{
  "hex": "#eff17e",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 126
  },
  "hsl": {
    "h": 61.043,
    "s": 80.42,
    "l": 71.961
  },
  "oklch": {
    "l": 0.93328,
    "c": 0.1382,
    "h": 109.7
  },
  "luminance": 0.82768
}

Semantic roles & 50–950 ramp

primary

#EFF17E

secondary

#4A48CC

accent

#09DD0C

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF17E

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

Preview Lab → · Contrast checker → · Palette generator →