#51E45E#51E45E

#51E45E is a light, highly saturated green. Relative luminance 0.580; OKLCH L 81.2% C 0.216 H 144.6°. Best body text is #000000 at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#51E45E
RGB	rgb(81, 228, 94)
HSL	hsl(125, 73%, 61%)
HSV	hsv(125, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 58.8%, 10.6%)
CIE-LAB	lab(80.76, -65.10, 53.06)
CIE-LCH	lch(80.76, 83.99, 140.82°)
OKLab	oklab(81.24% -0.1762 0.1251)
OKLCH	oklch(81.24% 0.216 144.6)
XYZ	xyz(33.1550, 58.0409, 20.0432)
Luminance	0.5804 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E45E #E451D7

analogous

#8DE451 #51E45E #51E4A7

triadic

#51E45E #5E51E4 #E45E51

tetradic

#51E45E #518DE4 #E451D7 #E4A751

square

#51E45E #518DE4 #E451D7 #E4A751

split-complementary

#51E45E #A751E4 #E4518D

monochromatic

#19A225 #21D731 #51E45E #86EC8F #BBF4C0

Accessibility & contrast

On white

1.67

#51E45E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.61

#51E45E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E45E

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E45E	#FFFFFF	#000000	##000000
##51E45E	1.00	1.67	12.61	12.61
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.61	21.00	1.00	1.00
##000000	12.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D050

Deuteranopia (green-blind)

#D6C469

Tritanopia (blue-blind)

#2BDEC7

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e45e;
/* rgb */ color: rgb(81, 228, 94);
/* oklch */ color: oklch(81.2% 0.216 144.6);

Tailwind

colors: {
  custom: {
    50: '#92ee90',
    500: '#51e45e',
    950: '#000000',
  },
}

SCSS

$custom: #51e45e;
$custom-light: #92ee90;
$custom-dark: #000000;

JSON

{
  "hex": "#51e45e",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 94
  },
  "hsl": {
    "h": 125.306,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81244,
    "c": 0.2161,
    "h": 144.6
  },
  "luminance": 0.58044
}

Semantic roles & 50–950 ramp

primary

#51E45E

secondary

#A4359A

accent

#10C4D5

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160D

muted

#7F857F

Preview Lab

Preview with #51E45E

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

Preview Lab → · Contrast checker → · Palette generator →