#EFFA91#EFFA91

#EFFA91 is a very light, vivid yellow. Relative luminance 0.888; OKLCH L 95.5% C 0.129 H 113.8°. Best body text is #000000 at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA91
RGB	rgb(239, 250, 145)
HSL	hsl(66, 91%, 77%)
HSV	hsv(66, 42%, 98%)
CMYK	cmyk(4.4%, 0%, 42%, 2%)
CIE-LAB	lab(95.48, -18.71, 49.01)
CIE-LCH	lch(95.48, 52.46, 110.90°)
OKLab	oklab(95.45% -0.0522 0.1185)
OKLCH	oklch(95.45% 0.129 113.8)
XYZ	xyz(74.8939, 88.7673, 39.9710)
Luminance	0.8877 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA91 #9C91FA

analogous

#FAD191 #EFFA91 #BAFA91

triadic

#EFFA91 #91EFFA #FA91EF

tetradic

#EFFA91 #91FAD1 #9C91FA #FA91BA

square

#EFFA91 #91FAD1 #9C91FA #FA91BA

split-complementary

#EFFA91 #91BAFA #D191FA

monochromatic

#DEF51C #E6F756 #EFFA91 #F8FDCC #FBFEE2

Accessibility & contrast

On white

1.12

#EFFA91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.75

#EFFA91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA91

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA91	#FFFFFF	#000000	##000000
##EFFA91	1.00	1.12	18.75	18.75
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.75	21.00	1.00	1.00
##000000	18.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF189

Deuteranopia (green-blind)

#FFF396

Tritanopia (blue-blind)

#FAEFE1

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effa91;
/* rgb */ color: rgb(239, 250, 145);
/* oklch */ color: oklch(95.5% 0.129 113.8);

Tailwind

colors: {
  custom: {
    50: '#f6fbb3',
    500: '#effa91',
    950: '#000000',
  },
}

SCSS

$custom: #effa91;
$custom-light: #f6fbb3;
$custom-dark: #000000;

JSON

{
  "hex": "#effa91",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 145
  },
  "hsl": {
    "h": 66.286,
    "s": 91.304,
    "l": 77.451
  },
  "oklch": {
    "l": 0.95452,
    "c": 0.12947,
    "h": 113.8
  },
  "luminance": 0.88766
}

Semantic roles & 50–950 ramp

primary

#EFFA91

secondary

#6356DA

accent

#00E618

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFFA91

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

Preview Lab → · Contrast checker → · Palette generator →