#B1EF5D#B1EF5D

#B1EF5D is a very light, vivid yellow-green. Relative luminance 0.719; OKLCH L 88.2% C 0.186 H 129.1°. Best body text is #000000 at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#B1EF5D
RGB	rgb(177, 239, 93)
HSL	hsl(85, 82%, 65%)
HSV	hsv(85, 61%, 94%)
CMYK	cmyk(25.9%, 0%, 61.1%, 6.3%)
CIE-LAB	lab(87.91, -41.64, 62.61)
CIE-LCH	lch(87.91, 75.19, 123.63°)
OKLab	oklab(88.15% -0.1175 0.1446)
OKLCH	oklch(88.15% 0.186 129.1)
XYZ	xyz(50.9735, 71.8692, 21.5404)
Luminance	0.7187 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1EF5D #9B5DEF

analogous

#EFE45D #B1EF5D #68EF5D

triadic

#B1EF5D #5DB1EF #EF5DB1

tetradic

#B1EF5D #5DEFE4 #9B5DEF #EF5D68

square

#B1EF5D #5DEFE4 #9B5DEF #EF5D68

split-complementary

#B1EF5D #5D68EF #E45DEF

monochromatic

#76BF13 #96E925 #B1EF5D #CCF595 #E7FACC

Accessibility & contrast

On white

1.37

#B1EF5D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.37

#B1EF5D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EF5D

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1EF5D	#FFFFFF	#000000	##000000
##B1EF5D	1.00	1.37	15.37	15.37
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.37	21.00	1.00	1.00
##000000	15.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF4C

Deuteranopia (green-blind)

#F1DB68

Tritanopia (blue-blind)

#B6E5D0

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #b1ef5d;
/* rgb */ color: rgb(177, 239, 93);
/* oklch */ color: oklch(88.2% 0.186 129.1);

Tailwind

colors: {
  custom: {
    50: '#ccf490',
    500: '#b1ef5d',
    950: '#000000',
  },
}

SCSS

$custom: #b1ef5d;
$custom-light: #ccf490;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ef5d",
  "rgb": {
    "r": 177,
    "g": 239,
    "b": 93
  },
  "hsl": {
    "h": 85.479,
    "s": 82.022,
    "l": 65.098
  },
  "oklch": {
    "l": 0.88153,
    "c": 0.18629,
    "h": 129.1
  },
  "luminance": 0.7187
}

Semantic roles & 50–950 ramp

primary

#B1EF5D

secondary

#6E33BD

accent

#07DE63

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1EF5D

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

Preview Lab → · Contrast checker → · Palette generator →