#B1EF5A#B1EF5A

#B1EF5A is a very light, vivid yellow-green. Relative luminance 0.718; OKLCH L 88.1% C 0.189 H 128.9°. Best body text is #000000 at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#B1EF5A
RGB	rgb(177, 239, 90)
HSL	hsl(85, 82%, 65%)
HSV	hsv(85, 62%, 94%)
CMYK	cmyk(25.9%, 0%, 62.3%, 6.3%)
CIE-LAB	lab(87.88, -41.88, 63.82)
CIE-LCH	lch(87.88, 76.33, 123.27°)
OKLab	oklab(88.13% -0.1184 0.1468)
OKLCH	oklch(88.13% 0.189 128.9)
XYZ	xyz(50.8432, 71.8171, 20.8542)
Luminance	0.7182 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1EF5A #985AEF

analogous

#EFE25A #B1EF5A #67EF5A

triadic

#B1EF5A #5AB1EF #EF5AB1

tetradic

#B1EF5A #5AEFE2 #985AEF #EF5A67

square

#B1EF5A #5AEFE2 #985AEF #EF5A67

split-complementary

#B1EF5A #5A67EF #E25AEF

monochromatic

#76BC12 #97EA22 #B1EF5A #CBF492 #E6FACA

Accessibility & contrast

On white

1.37

#B1EF5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.36

#B1EF5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EF5A

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1EF5A	#FFFFFF	#000000	##000000
##B1EF5A	1.00	1.37	15.36	15.36
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.36	21.00	1.00	1.00
##000000	15.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF48

Deuteranopia (green-blind)

#F1DB65

Tritanopia (blue-blind)

#B6E5D0

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #b1ef5a;
/* rgb */ color: rgb(177, 239, 90);
/* oklch */ color: oklch(88.1% 0.189 128.9);

Tailwind

colors: {
  custom: {
    50: '#ccf48f',
    500: '#b1ef5a',
    950: '#000000',
  },
}

SCSS

$custom: #b1ef5a;
$custom-light: #ccf48f;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ef5a",
  "rgb": {
    "r": 177,
    "g": 239,
    "b": 90
  },
  "hsl": {
    "h": 84.966,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.88125,
    "c": 0.18858,
    "h": 128.9
  },
  "luminance": 0.71818
}

Semantic roles & 50–950 ramp

primary

#B1EF5A

secondary

#6B32BB

accent

#07DF61

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1EF5A

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

Preview Lab → · Contrast checker → · Palette generator →