#EFF189#EFF189

#EFF189 is a very light, vivid yellow. Relative luminance 0.831; OKLCH L 93.5% C 0.127 H 109.6°. Best body text is #000000 at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#EFF189
RGB	rgb(239, 241, 137)
HSL	hsl(61, 79%, 74%)
HSV	hsv(61, 43%, 95%)
CMYK	cmyk(0.8%, 0%, 43.2%, 5.5%)
CIE-LAB	lab(93.04, -15.14, 49.81)
CIE-LCH	lch(93.04, 52.06, 106.91°)
OKLab	oklab(93.48% -0.0426 0.1198)
OKLCH	oklch(93.48% 0.127 109.6)
XYZ	xyz(71.5685, 83.0689, 35.9259)
Luminance	0.8307 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF189 #8B89F1

analogous

#F1BF89 #EFF189 #BBF189

triadic

#EFF189 #89EFF1 #F189EF

tetradic

#EFF189 #89F1BF #8B89F1 #F189BB

square

#EFF189 #89F1BF #8B89F1 #F189BB

split-complementary

#EFF189 #89BBF1 #BF89F1

monochromatic

#E0E41C #E8EB52 #EFF189 #F6F7C0 #FBFCE4

Accessibility & contrast

On white

1.19

#EFF189 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.61

#EFF189 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF189

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF189	#FFFFFF	#000000	##000000
##EFF189	1.00	1.19	17.61	17.61
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.61	21.00	1.00	1.00
##000000	17.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE980

Deuteranopia (green-blind)

#FFED8E

Tritanopia (blue-blind)

#FCE6D8

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff189;
/* rgb */ color: rgb(239, 241, 137);
/* oklch */ color: oklch(93.5% 0.127 109.6);

Tailwind

colors: {
  custom: {
    50: '#f6f5ad',
    500: '#eff189',
    950: '#000000',
  },
}

SCSS

$custom: #eff189;
$custom-light: #f6f5ad;
$custom-dark: #000000;

JSON

{
  "hex": "#eff189",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 137
  },
  "hsl": {
    "h": 61.154,
    "s": 78.788,
    "l": 74.118
  },
  "oklch": {
    "l": 0.93475,
    "c": 0.12716,
    "h": 109.6
  },
  "luminance": 0.83067
}

Semantic roles & 50–950 ramp

primary

#EFF189

secondary

#5451CD

accent

#0ADB0E

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF189

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

Preview Lab → · Contrast checker → · Palette generator →