#B5EC5B#B5EC5B

#B5EC5B is a very light, vivid yellow-green. Relative luminance 0.706; OKLCH L 87.7% C 0.182 H 127.4°. Best body text is #000000 at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#B5EC5B
RGB	rgb(181, 236, 91)
HSL	hsl(83, 79%, 64%)
HSV	hsv(83, 61%, 93%)
CMYK	cmyk(23.3%, 0%, 61.4%, 7.5%)
CIE-LAB	lab(87.28, -39.01, 62.81)
CIE-LCH	lch(87.28, 73.94, 121.84°)
OKLab	oklab(87.7% -0.1107 0.1447)
OKLCH	oklch(87.7% 0.182 127.4)
XYZ	xyz(50.9398, 70.5691, 20.8329)
Luminance	0.7057 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5EC5B #925BEC

analogous

#ECDB5B #B5EC5B #6DEC5B

triadic

#B5EC5B #5BB5EC #EC5BB5

tetradic

#B5EC5B #5BECDB #925BEC #EC5B6D

square

#B5EC5B #5BECDB #925BEC #EC5B6D

split-complementary

#B5EC5B #5B6DEC #DB5BEC

monochromatic

#7AB715 #9CE624 #B5EC5B #CEF292 #E6F9C9

Accessibility & contrast

On white

1.39

#B5EC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.11

#B5EC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EC5B

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5EC5B	#FFFFFF	#000000	##000000
##B5EC5B	1.00	1.39	15.11	15.11
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.11	21.00	1.00	1.00
##000000	15.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD4A

Deuteranopia (green-blind)

#F0DA66

Tritanopia (blue-blind)

#BBE2CE

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #b5ec5b;
/* rgb */ color: rgb(181, 236, 91);
/* oklch */ color: oklch(87.7% 0.182 127.4);

Tailwind

colors: {
  custom: {
    50: '#cef28f',
    500: '#b5ec5b',
    950: '#000000',
  },
}

SCSS

$custom: #b5ec5b;
$custom-light: #cef28f;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ec5b",
  "rgb": {
    "r": 181,
    "g": 236,
    "b": 91
  },
  "hsl": {
    "h": 82.759,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.87698,
    "c": 0.18216,
    "h": 127.4
  },
  "luminance": 0.7057
}

Semantic roles & 50–950 ramp

primary

#B5EC5B

secondary

#6634B7

accent

#0ADC59

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B5EC5B

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

Preview Lab → · Contrast checker → · Palette generator →