#51E757#51E757

#51E757 is a light, highly saturated green. Relative luminance 0.596; OKLCH L 81.9% C 0.225 H 143.8°. Best body text is #000000 at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#51E757
RGB	rgb(81, 231, 87)
HSL	hsl(122, 76%, 61%)
HSV	hsv(122, 65%, 91%)
CMYK	cmyk(64.9%, 0%, 62.3%, 9.4%)
CIE-LAB	lab(81.61, -66.90, 57.05)
CIE-LCH	lch(81.61, 87.92, 139.55°)
OKLab	oklab(81.93% -0.1814 0.133)
OKLCH	oklch(81.93% 0.225 143.8)
XYZ	xyz(33.6875, 59.5858, 18.7409)
Luminance	0.5959 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E757 #E751E1

analogous

#96E751 #51E757 #51E7A2

triadic

#51E757 #5751E7 #E75751

tetradic

#51E757 #5196E7 #E751E1 #E7A251

square

#51E757 #5196E7 #E751E1 #E7A251

split-complementary

#51E757 #A251E7 #E75196

monochromatic

#17A71D #1EDC26 #51E757 #87EE8B #BDF6BF

Accessibility & contrast

On white

1.63

#51E757 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.92

#51E757 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E757

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E757	#FFFFFF	#000000	##000000
##51E757	1.00	1.63	12.92	12.92
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.92	21.00	1.00	1.00
##000000	12.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD246

Deuteranopia (green-blind)

#D9C663

Tritanopia (blue-blind)

#2CE1C9

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e757;
/* rgb */ color: rgb(81, 231, 87);
/* oklch */ color: oklch(81.9% 0.225 143.8);

Tailwind

colors: {
  custom: {
    50: '#93f08c',
    500: '#51e757',
    950: '#000000',
  },
}

SCSS

$custom: #51e757;
$custom-light: #93f08c;
$custom-dark: #000000;

JSON

{
  "hex": "#51e757",
  "rgb": {
    "r": 81,
    "g": 231,
    "b": 87
  },
  "hsl": {
    "h": 122.4,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.81926,
    "c": 0.22492,
    "h": 143.8
  },
  "luminance": 0.59589
}

Semantic roles & 50–950 ramp

primary

#51E757

secondary

#A834A4

accent

#0ED0D8

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0F170C

muted

#80857F

Preview Lab

Preview with #51E757

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

Preview Lab → · Contrast checker → · Palette generator →