#B4EF61#B4EF61

#B4EF61 is a very light, vivid yellow-green. Relative luminance 0.723; OKLCH L 88.4% C 0.182 H 128.6°. Best body text is #000000 at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#B4EF61
RGB	rgb(180, 239, 97)
HSL	hsl(85, 82%, 66%)
HSV	hsv(85, 59%, 94%)
CMYK	cmyk(24.7%, 0%, 59.4%, 6.3%)
CIE-LAB	lab(88.11, -40.22, 61.21)
CIE-LCH	lch(88.11, 73.24, 123.31°)
OKLab	oklab(88.38% -0.1134 0.142)
OKLCH	oklch(88.38% 0.182 128.6)
XYZ	xyz(51.8463, 72.2983, 22.5303)
Luminance	0.7230 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4EF61 #9C61EF

analogous

#EFE361 #B4EF61 #6DEF61

triadic

#B4EF61 #61B4EF #EF61B4

tetradic

#B4EF61 #61EFE3 #9C61EF #EF616D

square

#B4EF61 #61EFE3 #9C61EF #EF616D

split-complementary

#B4EF61 #616DEF #E361EF

monochromatic

#7AC214 #9AE929 #B4EF61 #CEF599 #E9FAD0

Accessibility & contrast

On white

1.36

#B4EF61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.46

#B4EF61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4EF61

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4EF61	#FFFFFF	#000000	##000000
##B4EF61	1.00	1.36	15.46	15.46
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.46	21.00	1.00	1.00
##000000	15.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE051

Deuteranopia (green-blind)

#F1DC6B

Tritanopia (blue-blind)

#B9E5D1

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b4ef61;
/* rgb */ color: rgb(180, 239, 97);
/* oklch */ color: oklch(88.4% 0.182 128.6);

Tailwind

colors: {
  custom: {
    50: '#cef493',
    500: '#b4ef61',
    950: '#000000',
  },
}

SCSS

$custom: #b4ef61;
$custom-light: #cef493;
$custom-dark: #000000;

JSON

{
  "hex": "#b4ef61",
  "rgb": {
    "r": 180,
    "g": 239,
    "b": 97
  },
  "hsl": {
    "h": 84.93,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88377,
    "c": 0.18173,
    "h": 128.6
  },
  "luminance": 0.72299
}

Semantic roles & 50–950 ramp

primary

#B4EF61

secondary

#6E34C0

accent

#08DE61

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B4EF61

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

Preview Lab → · Contrast checker → · Palette generator →