#51E751#51E751

#51E751 is a light, highly saturated green. Relative luminance 0.595; OKLCH L 81.9% C 0.229 H 143.1°. Best body text is #000000 at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#51E751
RGB	rgb(81, 231, 81)
HSL	hsl(120, 76%, 61%)
HSV	hsv(120, 65%, 91%)
CMYK	cmyk(64.9%, 0%, 64.9%, 9.4%)
CIE-LAB	lab(81.56, -67.50, 59.46)
CIE-LCH	lch(81.56, 89.96, 138.62°)
OKLab	oklab(81.87% -0.1833 0.1375)
OKLCH	oklch(81.87% 0.229 143.1)
XYZ	xyz(33.4525, 59.4918, 17.5031)
Luminance	0.5949 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E751 #E751E7

analogous

#9CE751 #51E751 #51E79C

triadic

#51E751 #5151E7 #E75151

tetradic

#51E751 #519CE7 #E751E7 #E79C51

square

#51E751 #519CE7 #E751E7 #E79C51

split-complementary

#51E751 #9C51E7 #E7519C

monochromatic

#17A717 #1EDC1E #51E751 #87EE87 #BDF6BD

Accessibility & contrast

On white

1.63

#51E751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.90

#51E751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E751

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E751	#FFFFFF	#000000	##000000
##51E751	1.00	1.63	12.90	12.90
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.90	21.00	1.00	1.00
##000000	12.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD23E

Deuteranopia (green-blind)

#DAC65E

Tritanopia (blue-blind)

#2EE1C8

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e751;
/* rgb */ color: rgb(81, 231, 81);
/* oklch */ color: oklch(81.9% 0.229 143.1);

Tailwind

colors: {
  custom: {
    50: '#93f088',
    500: '#51e751',
    950: '#000000',
  },
}

SCSS

$custom: #51e751;
$custom-light: #93f088;
$custom-dark: #000000;

JSON

{
  "hex": "#51e751",
  "rgb": {
    "r": 81,
    "g": 231,
    "b": 81
  },
  "hsl": {
    "h": 120,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.81867,
    "c": 0.22915,
    "h": 143.1
  },
  "luminance": 0.59495
}

Semantic roles & 50–950 ramp

primary

#51E751

secondary

#A834A8

accent

#0ED8D8

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0F170C

muted

#80857F

Preview Lab

Preview with #51E751

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

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