#EFF990#EFF990

#EFF990 is a very light, vivid yellow. Relative luminance 0.881; OKLCH L 95.2% C 0.129 H 113.3°. Best body text is #000000 at 18.62:1 contrast (WCAG AA passes).

Color values

HEX	#EFF990
RGB	rgb(239, 249, 144)
HSL	hsl(66, 90%, 77%)
HSV	hsv(66, 42%, 98%)
CMYK	cmyk(4%, 0%, 42.2%, 2.4%)
CIE-LAB	lab(95.21, -18.33, 49.15)
CIE-LCH	lch(95.21, 52.45, 110.45°)
OKLab	oklab(95.23% -0.0512 0.1187)
OKLCH	oklch(95.23% 0.129 113.3)
XYZ	xyz(74.5072, 88.1168, 39.4634)
Luminance	0.8812 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF990 #9A90F9

analogous

#F9CE90 #EFF990 #BBF990

triadic

#EFF990 #90EFF9 #F990EF

tetradic

#EFF990 #90F9CE #9A90F9 #F990BB

square

#EFF990 #90F9CE #9A90F9 #F990BB

split-complementary

#EFF990 #90BBF9 #CE90F9

monochromatic

#DEF31C #E7F656 #EFF990 #F7FCCA #FBFDE2

Accessibility & contrast

On white

1.13

#EFF990 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.62

#EFF990 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF990

18.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF990	#FFFFFF	#000000	##000000
##EFF990	1.00	1.13	18.62	18.62
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.62	21.00	1.00	1.00
##000000	18.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF088

Deuteranopia (green-blind)

#FFF295

Tritanopia (blue-blind)

#FBEEE0

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff990;
/* rgb */ color: rgb(239, 249, 144);
/* oklch */ color: oklch(95.2% 0.129 113.3);

Tailwind

colors: {
  custom: {
    50: '#f6fbb2',
    500: '#eff990',
    950: '#000000',
  },
}

SCSS

$custom: #eff990;
$custom-light: #f6fbb2;
$custom-dark: #000000;

JSON

{
  "hex": "#eff990",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 144
  },
  "hsl": {
    "h": 65.714,
    "s": 89.744,
    "l": 77.059
  },
  "oklch": {
    "l": 0.9523,
    "c": 0.1293,
    "h": 113.3
  },
  "luminance": 0.88116
}

Semantic roles & 50–950 ramp

primary

#EFF990

secondary

#6255D8

accent

#00E616

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF990

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

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