#51DE5E#51DE5E

#51DE5E is a light, highly saturated green. Relative luminance 0.548; OKLCH L 79.7% C 0.209 H 144.8°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#51DE5E
RGB	rgb(81, 222, 94)
HSL	hsl(126, 68%, 59%)
HSV	hsv(126, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 57.7%, 12.9%)
CIE-LAB	lab(78.92, -63.02, 50.92)
CIE-LCH	lch(78.92, 81.02, 141.06°)
OKLab	oklab(79.73% -0.1706 0.1204)
OKLCH	oklch(79.73% 0.209 144.8)
XYZ	xyz(31.5330, 54.7969, 19.5026)
Luminance	0.5480 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE5E #DE51D1

analogous

#8BDE51 #51DE5E #51DEA5

triadic

#51DE5E #5E51DE #DE5E51

tetradic

#51DE5E #518BDE #DE51D1 #DEA551

square

#51DE5E #518BDE #DE51D1 #DEA551

split-complementary

#51DE5E #A551DE #DE518B

monochromatic

#1D9828 #27CB36 #51DE5E #84E88E #B8F2BD

Accessibility & contrast

On white

1.76

#51DE5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.96

#51DE5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE5E

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE5E	#FFFFFF	#000000	##000000
##51DE5E	1.00	1.76	11.96	11.96
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.96	21.00	1.00	1.00
##000000	11.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CB51

Deuteranopia (green-blind)

#D0BF68

Tritanopia (blue-blind)

#2ED8C2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51de5e;
/* rgb */ color: rgb(81, 222, 94);
/* oklch */ color: oklch(79.7% 0.209 144.8);

Tailwind

colors: {
  custom: {
    50: '#91e98f',
    500: '#51de5e',
    950: '#000000',
  },
}

SCSS

$custom: #51de5e;
$custom-light: #91e98f;
$custom-dark: #000000;

JSON

{
  "hex": "#51de5e",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 94
  },
  "hsl": {
    "h": 125.532,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.79726,
    "c": 0.20883,
    "h": 144.8
  },
  "luminance": 0.548
}

Semantic roles & 50–950 ramp

primary

#51DE5E

secondary

#9C3793

accent

#3DDBEB

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160D

muted

#7F847F

Preview Lab

Preview with #51DE5E

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

Preview Lab → · Contrast checker → · Palette generator →