#EFF387#EFF387

#EFF387 is a very light, vivid yellow. Relative luminance 0.842; OKLCH L 93.9% C 0.132 H 110.5°. Best body text is #000000 at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#EFF387
RGB	rgb(239, 243, 135)
HSL	hsl(62, 82%, 74%)
HSV	hsv(62, 44%, 95%)
CMYK	cmyk(1.6%, 0%, 44.4%, 4.7%)
CIE-LAB	lab(93.54, -16.31, 51.37)
CIE-LCH	lch(93.54, 53.89, 107.61°)
OKLab	oklab(93.86% -0.0462 0.1231)
OKLCH	oklch(93.86% 0.132 110.5)
XYZ	xyz(72.0216, 84.2026, 35.3757)
Luminance	0.8420 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF387 #8B87F3

analogous

#F3C187 #EFF387 #B9F387

triadic

#EFF387 #87EFF3 #F387EF

tetradic

#EFF387 #87F3C1 #8B87F3 #F387B9

square

#EFF387 #87F3C1 #8B87F3 #F387B9

split-complementary

#EFF387 #87B9F3 #C187F3

monochromatic

#E0E818 #E8ED4F #EFF387 #F6F9BF #FBFCE3

Accessibility & contrast

On white

1.18

#EFF387 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.84

#EFF387 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF387

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF387	#FFFFFF	#000000	##000000
##EFF387	1.00	1.18	17.84	17.84
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.84	21.00	1.00	1.00
##000000	17.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB7E

Deuteranopia (green-blind)

#FFEE8C

Tritanopia (blue-blind)

#FCE7D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff387;
/* rgb */ color: rgb(239, 243, 135);
/* oklch */ color: oklch(93.9% 0.132 110.5);

Tailwind

colors: {
  custom: {
    50: '#f6f7ac',
    500: '#eff387',
    950: '#000000',
  },
}

SCSS

$custom: #eff387;
$custom-light: #f6f7ac;
$custom-dark: #000000;

JSON

{
  "hex": "#eff387",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 135
  },
  "hsl": {
    "h": 62.222,
    "s": 81.818,
    "l": 74.118
  },
  "oklch": {
    "l": 0.93861,
    "c": 0.13151,
    "h": 110.5
  },
  "luminance": 0.84201
}

Semantic roles & 50–950 ramp

primary

#EFF387

secondary

#544FCF

accent

#07DE0F

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF387

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

Preview Lab → · Contrast checker → · Palette generator →