#B1EF5E#B1EF5E

#B1EF5E is a very light, vivid yellow-green. Relative luminance 0.719; OKLCH L 88.2% C 0.186 H 129.2°. Best body text is #000000 at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#B1EF5E
RGB	rgb(177, 239, 94)
HSL	hsl(86, 82%, 65%)
HSV	hsv(86, 61%, 94%)
CMYK	cmyk(25.9%, 0%, 60.7%, 6.3%)
CIE-LAB	lab(87.91, -41.56, 62.20)
CIE-LCH	lch(87.91, 74.81, 123.75°)
OKLab	oklab(88.16% -0.1172 0.1438)
OKLCH	oklch(88.16% 0.186 129.2)
XYZ	xyz(51.0181, 71.8871, 21.7752)
Luminance	0.7189 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1EF5E #9C5EEF

analogous

#EFE45E #B1EF5E #68EF5E

triadic

#B1EF5E #5EB1EF #EF5EB1

tetradic

#B1EF5E #5EEFE4 #9C5EEF #EF5E68

square

#B1EF5E #5EEFE4 #9C5EEF #EF5E68

split-complementary

#B1EF5E #5E68EF #E45EEF

monochromatic

#76C013 #96E926 #B1EF5E #CCF596 #E7FACD

Accessibility & contrast

On white

1.37

#B1EF5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.38

#B1EF5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EF5E

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1EF5E	#FFFFFF	#000000	##000000
##B1EF5E	1.00	1.37	15.38	15.38
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.38	21.00	1.00	1.00
##000000	15.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF4D

Deuteranopia (green-blind)

#F1DB69

Tritanopia (blue-blind)

#B6E5D0

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #b1ef5e;
/* rgb */ color: rgb(177, 239, 94);
/* oklch */ color: oklch(88.2% 0.186 129.2);

Tailwind

colors: {
  custom: {
    50: '#ccf491',
    500: '#b1ef5e',
    950: '#000000',
  },
}

SCSS

$custom: #b1ef5e;
$custom-light: #ccf491;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ef5e",
  "rgb": {
    "r": 177,
    "g": 239,
    "b": 94
  },
  "hsl": {
    "h": 85.655,
    "s": 81.921,
    "l": 65.294
  },
  "oklch": {
    "l": 0.88163,
    "c": 0.18552,
    "h": 129.2
  },
  "luminance": 0.71888
}

Semantic roles & 50–950 ramp

primary

#B1EF5E

secondary

#6F33BE

accent

#07DE63

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1EF5E

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

Preview Lab → · Contrast checker → · Palette generator →