#51E97B#51E97B

#51E97B is a very light, vivid green. Relative luminance 0.615; OKLCH L 82.9% C 0.198 H 149.0°. Best body text is #000000 at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#51E97B
RGB	rgb(81, 233, 123)
HSL	hsl(137, 78%, 62%)
HSV	hsv(137, 65%, 91%)
CMYK	cmyk(65.2%, 0%, 47.2%, 8.6%)
CIE-LAB	lab(82.62, -62.98, 41.81)
CIE-LCH	lch(82.62, 75.60, 146.42°)
OKLab	oklab(82.89% -0.1698 0.102)
OKLCH	oklch(82.89% 0.198 149)
XYZ	xyz(36.1047, 61.4534, 28.6940)
Luminance	0.6146 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E97B #E951BF

analogous

#73E951 #51E97B #51E9C7

triadic

#51E97B #7B51E9 #E97B51

tetradic

#51E97B #5173E9 #E951BF #E9C751

square

#51E97B #5173E9 #E951BF #E9C751

split-complementary

#51E97B #C751E9 #E95173

monochromatic

#16AA3F #1CE053 #51E97B #87F0A4 #BEF7CD

Accessibility & contrast

On white

1.58

#51E97B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.29

#51E97B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E97B

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E97B	#FFFFFF	#000000	##000000
##51E97B	1.00	1.58	13.29	13.29
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.29	21.00	1.00	1.00
##000000	13.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD672

Deuteranopia (green-blind)

#D8C883

Tritanopia (blue-blind)

#10E5CF

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e97b;
/* rgb */ color: rgb(81, 233, 123);
/* oklch */ color: oklch(82.9% 0.198 149.0);

Tailwind

colors: {
  custom: {
    50: '#92f1a3',
    500: '#51e97b',
    950: '#000000',
  },
}

SCSS

$custom: #51e97b;
$custom-light: #92f1a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51e97b",
  "rgb": {
    "r": 81,
    "g": 233,
    "b": 123
  },
  "hsl": {
    "h": 136.579,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.8289,
    "c": 0.19808,
    "h": 149
  },
  "luminance": 0.61457
}

Semantic roles & 50–950 ramp

primary

#51E97B

secondary

#AB338A

accent

#0CA1DA

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E97B

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

Preview Lab → · Contrast checker → · Palette generator →