#EFF187#EFF187

#EFF187 is a very light, vivid yellow. Relative luminance 0.830; OKLCH L 93.4% C 0.129 H 109.6°. Best body text is #000000 at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#EFF187
RGB	rgb(239, 241, 135)
HSL	hsl(61, 79%, 74%)
HSV	hsv(61, 44%, 95%)
CMYK	cmyk(0.8%, 0%, 44%, 5.5%)
CIE-LAB	lab(93.02, -15.33, 50.73)
CIE-LCH	lch(93.02, 53.00, 106.82°)
OKLab	oklab(93.45% -0.0434 0.1217)
OKLCH	oklch(93.45% 0.129 109.6)
XYZ	xyz(71.4263, 83.0121, 35.1773)
Luminance	0.8301 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF187 #8987F1

analogous

#F1BE87 #EFF187 #BAF187

triadic

#EFF187 #87EFF1 #F187EF

tetradic

#EFF187 #87F1BE #8987F1 #F187BA

square

#EFF187 #87F1BE #8987F1 #F187BA

split-complementary

#EFF187 #87BAF1 #BE87F1

monochromatic

#DFE31A #E8EB50 #EFF187 #F6F7BE #FBFCE4

Accessibility & contrast

On white

1.19

#EFF187 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.60

#EFF187 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF187

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF187	#FFFFFF	#000000	##000000
##EFF187	1.00	1.19	17.60	17.60
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.60	21.00	1.00	1.00
##000000	17.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE97E

Deuteranopia (green-blind)

#FFED8C

Tritanopia (blue-blind)

#FCE5D8

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff187;
/* rgb */ color: rgb(239, 241, 135);
/* oklch */ color: oklch(93.4% 0.129 109.6);

Tailwind

colors: {
  custom: {
    50: '#f6f5ac',
    500: '#eff187',
    950: '#000000',
  },
}

SCSS

$custom: #eff187;
$custom-light: #f6f5ac;
$custom-dark: #000000;

JSON

{
  "hex": "#eff187",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 135
  },
  "hsl": {
    "h": 61.132,
    "s": 79.104,
    "l": 73.725
  },
  "oklch": {
    "l": 0.93448,
    "c": 0.12922,
    "h": 109.6
  },
  "luminance": 0.83011
}

Semantic roles & 50–950 ramp

primary

#EFF187

secondary

#5250CD

accent

#0ADB0E

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF187

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

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