#51E55F#51E55F

#51E55F is a light, highly saturated green. Relative luminance 0.586; OKLCH L 81.5% C 0.217 H 144.7°. Best body text is #000000 at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#51E55F
RGB	rgb(81, 229, 95)
HSL	hsl(126, 74%, 61%)
HSV	hsv(126, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 58.5%, 10.2%)
CIE-LAB	lab(81.08, -65.33, 52.98)
CIE-LCH	lch(81.08, 84.12, 140.96°)
OKLab	oklab(81.51% -0.1768 0.125)
OKLCH	oklch(81.51% 0.217 144.7)
XYZ	xyz(33.4761, 58.6107, 20.3731)
Luminance	0.5861 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E55F #E551D7

analogous

#8DE551 #51E55F #51E5A9

triadic

#51E55F #5F51E5 #E55F51

tetradic

#51E55F #518DE5 #E551D7 #E5A951

square

#51E55F #518DE5 #E551D7 #E5A951

split-complementary

#51E55F #A951E5 #E5518D

monochromatic

#18A326 #20D832 #51E55F #86ED90 #BBF5C1

Accessibility & contrast

On white

1.65

#51E55F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.72

#51E55F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E55F

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E55F	#FFFFFF	#000000	##000000
##51E55F	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)

#E9D151

Deuteranopia (green-blind)

#D7C56A

Tritanopia (blue-blind)

#2ADFC8

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e55f;
/* rgb */ color: rgb(81, 229, 95);
/* oklch */ color: oklch(81.5% 0.217 144.7);

Tailwind

colors: {
  custom: {
    50: '#92ee90',
    500: '#51e55f',
    950: '#000000',
  },
}

SCSS

$custom: #51e55f;
$custom-light: #92ee90;
$custom-dark: #000000;

JSON

{
  "hex": "#51e55f",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 95
  },
  "hsl": {
    "h": 125.676,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81508,
    "c": 0.21652,
    "h": 144.7
  },
  "luminance": 0.58614
}

Semantic roles & 50–950 ramp

primary

#51E55F

secondary

#A6359B

accent

#0FC3D6

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170D

muted

#7F857F

Preview Lab

Preview with #51E55F

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

Preview Lab → · Contrast checker → · Palette generator →