#87EF51#87EF51

#87EF51 is a very light, highly saturated yellow-green. Relative luminance 0.675; OKLCH L 85.8% C 0.216 H 136.8°. Best body text is #000000 at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#87EF51
RGB	rgb(135, 239, 81)
HSL	hsl(99, 83%, 63%)
HSV	hsv(99, 66%, 94%)
CMYK	cmyk(43.5%, 0%, 66.1%, 6.3%)
CIE-LAB	lab(85.74, -56.68, 64.50)
CIE-LCH	lch(85.74, 85.86, 131.31°)
OKLab	oklab(85.81% -0.1571 0.1477)
OKLCH	oklch(85.81% 0.216 136.8)
XYZ	xyz(42.3422, 67.4754, 18.5759)
Luminance	0.6748 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#87EF51 #B951EF

analogous

#D6EF51 #87EF51 #51EF6A

triadic

#87EF51 #5187EF #EF5187

tetradic

#87EF51 #51D6EF #B951EF #EF6A51

square

#87EF51 #51D6EF #B951EF #EF6A51

split-complementary

#87EF51 #6A51EF #EF51D6

monochromatic

#49B511 #60EA19 #87EF51 #AEF489 #D4F9C1

Accessibility & contrast

On white

1.45

#87EF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.50

#87EF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #87EF51

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##87EF51	#FFFFFF	#000000	##000000
##87EF51	1.00	1.45	14.50	14.50
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.50	21.00	1.00	1.00
##000000	14.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DC3B

Deuteranopia (green-blind)

#E9D35F

Tritanopia (blue-blind)

#82E7CF

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #87ef51;
/* rgb */ color: rgb(135, 239, 81);
/* oklch */ color: oklch(85.8% 0.216 136.8);

Tailwind

colors: {
  custom: {
    50: '#b1f589',
    500: '#87ef51',
    950: '#000000',
  },
}

SCSS

$custom: #87ef51;
$custom-light: #b1f589;
$custom-dark: #000000;

JSON

{
  "hex": "#87ef51",
  "rgb": {
    "r": 135,
    "g": 239,
    "b": 81
  },
  "hsl": {
    "h": 99.494,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.85808,
    "c": 0.21558,
    "h": 136.8
  },
  "luminance": 0.67478
}

Semantic roles & 50–950 ramp

primary

#87EF51

secondary

#8730B5

accent

#06E095

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#11170C

muted

#81857F

Preview Lab

Preview with #87EF51

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

Preview Lab → · Contrast checker → · Palette generator →