#EFFA90#EFFA90

#EFFA90 is a very light, vivid yellow. Relative luminance 0.887; OKLCH L 95.4% C 0.131 H 113.7°. Best body text is #000000 at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA90
RGB	rgb(239, 250, 144)
HSL	hsl(66, 91%, 77%)
HSV	hsv(66, 42%, 98%)
CMYK	cmyk(4.4%, 0%, 42.4%, 2%)
CIE-LAB	lab(95.47, -18.81, 49.47)
CIE-LCH	lch(95.47, 52.93, 110.82°)
OKLab	oklab(95.44% -0.0525 0.1195)
OKLCH	oklch(95.44% 0.131 113.7)
XYZ	xyz(74.8171, 88.7366, 39.5667)
Luminance	0.8874 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA90 #9B90FA

analogous

#FAD090 #EFFA90 #BAFA90

triadic

#EFFA90 #90EFFA #FA90EF

tetradic

#EFFA90 #90FAD0 #9B90FA #FA90BA

square

#EFFA90 #90FAD0 #9B90FA #FA90BA

split-complementary

#EFFA90 #90BAFA #D090FA

monochromatic

#DEF51B #E7F755 #EFFA90 #F7FDCB #FBFEE2

Accessibility & contrast

On white

1.12

#EFFA90 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.75

#EFFA90 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA90

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA90	#FFFFFF	#000000	##000000
##EFFA90	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)

#FFF187

Deuteranopia (green-blind)

#FFF395

Tritanopia (blue-blind)

#FBEFE1

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effa90;
/* rgb */ color: rgb(239, 250, 144);
/* oklch */ color: oklch(95.4% 0.131 113.7);

Tailwind

colors: {
  custom: {
    50: '#f6fbb2',
    500: '#effa90',
    950: '#000000',
  },
}

SCSS

$custom: #effa90;
$custom-light: #f6fbb2;
$custom-dark: #000000;

JSON

{
  "hex": "#effa90",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 144
  },
  "hsl": {
    "h": 66.226,
    "s": 91.379,
    "l": 77.255
  },
  "oklch": {
    "l": 0.95437,
    "c": 0.13051,
    "h": 113.7
  },
  "luminance": 0.88736
}

Semantic roles & 50–950 ramp

primary

#EFFA90

secondary

#6255DA

accent

#00E618

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFFA90

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

Preview Lab → · Contrast checker → · Palette generator →