#EFF590#EFF590

#EFF590 is a very light, vivid yellow. Relative luminance 0.857; OKLCH L 94.4% C 0.124 H 111.5°. Best body text is #000000 at 18.13:1 contrast (WCAG AA passes).

Color values

HEX	#EFF590
RGB	rgb(239, 245, 144)
HSL	hsl(64, 83%, 76%)
HSV	hsv(64, 41%, 96%)
CMYK	cmyk(2.4%, 0%, 41.2%, 3.9%)
CIE-LAB	lab(94.17, -16.39, 47.85)
CIE-LCH	lch(94.17, 50.58, 108.91°)
OKLab	oklab(94.4% -0.0456 0.1158)
OKLCH	oklch(94.4% 0.125 111.5)
XYZ	xyz(73.2840, 85.6704, 39.0557)
Luminance	0.8567 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF590 #9690F5

analogous

#F5C990 #EFF590 #BDF590

triadic

#EFF590 #90EFF5 #F590EF

tetradic

#EFF590 #90F5C9 #9690F5 #F590BD

square

#EFF590 #90F5C9 #9690F5 #F590BD

split-complementary

#EFF590 #90BDF5 #C990F5

monochromatic

#DFEB20 #E7F058 #EFF590 #F7FAC8 #FBFCE3

Accessibility & contrast

On white

1.16

#EFF590 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.13

#EFF590 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF590

18.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF590	#FFFFFF	#000000	##000000
##EFF590	1.00	1.16	18.13	18.13
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.13	21.00	1.00	1.00
##000000	18.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED88

Deuteranopia (green-blind)

#FFF095

Tritanopia (blue-blind)

#FBEADD

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff590;
/* rgb */ color: rgb(239, 245, 144);
/* oklch */ color: oklch(94.4% 0.124 111.5);

Tailwind

colors: {
  custom: {
    50: '#f6f8b2',
    500: '#eff590',
    950: '#000000',
  },
}

SCSS

$custom: #eff590;
$custom-light: #f6f8b2;
$custom-dark: #000000;

JSON

{
  "hex": "#eff590",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 144
  },
  "hsl": {
    "h": 63.564,
    "s": 83.471,
    "l": 76.275
  },
  "oklch": {
    "l": 0.94402,
    "c": 0.1245,
    "h": 111.5
  },
  "luminance": 0.85669
}

Semantic roles & 50–950 ramp

primary

#EFF590

secondary

#5E56D3

accent

#06E013

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF590

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

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