#51E55E#51E55E

#51E55E is a light, highly saturated green. Relative luminance 0.586; OKLCH L 81.5% C 0.217 H 144.6°. Best body text is #000000 at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#51E55E
RGB	rgb(81, 229, 94)
HSL	hsl(125, 74%, 61%)
HSV	hsv(125, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 59%, 10.2%)
CIE-LAB	lab(81.07, -65.45, 53.41)
CIE-LCH	lch(81.07, 84.48, 140.78°)
OKLab	oklab(81.5% -0.1772 0.1258)
OKLCH	oklch(81.5% 0.217 144.6)
XYZ	xyz(33.4309, 58.5927, 20.1352)
Luminance	0.5860 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E55E #E551D8

analogous

#8EE551 #51E55E #51E5A8

triadic

#51E55E #5E51E5 #E55E51

tetradic

#51E55E #518EE5 #E551D8 #E5A851

square

#51E55E #518EE5 #E551D8 #E5A851

split-complementary

#51E55E #A851E5 #E5518E

monochromatic

#18A325 #20D831 #51E55E #86ED8F #BBF5C1

Accessibility & contrast

On white

1.65

#51E55E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.72

#51E55E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E55E

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E55E	#FFFFFF	#000000	##000000
##51E55E	1.00	1.65	12.72	12.72
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.72	21.00	1.00	1.00
##000000	12.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D150

Deuteranopia (green-blind)

#D7C569

Tritanopia (blue-blind)

#2ADFC8

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e55e;
/* rgb */ color: rgb(81, 229, 94);
/* oklch */ color: oklch(81.5% 0.217 144.6);

Tailwind

colors: {
  custom: {
    50: '#92ee90',
    500: '#51e55e',
    950: '#000000',
  },
}

SCSS

$custom: #51e55e;
$custom-light: #92ee90;
$custom-dark: #000000;

JSON

{
  "hex": "#51e55e",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 94
  },
  "hsl": {
    "h": 125.27,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81497,
    "c": 0.2173,
    "h": 144.6
  },
  "luminance": 0.58596
}

Semantic roles & 50–950 ramp

primary

#51E55E

secondary

#A6359C

accent

#0FC5D6

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170D

muted

#7F857F

Preview Lab

Preview with #51E55E

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

Preview Lab → · Contrast checker → · Palette generator →