#51E758#51E758

#51E758 is a light, highly saturated green. Relative luminance 0.596; OKLCH L 81.9% C 0.224 H 143.9°. Best body text is #000000 at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#51E758
RGB	rgb(81, 231, 88)
HSL	hsl(123, 76%, 61%)
HSV	hsv(123, 65%, 91%)
CMYK	cmyk(64.9%, 0%, 61.9%, 9.4%)
CIE-LAB	lab(81.62, -66.79, 56.63)
CIE-LCH	lch(81.62, 87.57, 139.71°)
OKLab	oklab(81.94% -0.1811 0.1322)
OKLCH	oklch(81.94% 0.224 143.9)
XYZ	xyz(33.7286, 59.6023, 18.9575)
Luminance	0.5961 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E758 #E751E0

analogous

#95E751 #51E758 #51E7A3

triadic

#51E758 #5851E7 #E75851

tetradic

#51E758 #5195E7 #E751E0 #E7A351

square

#51E758 #5195E7 #E751E0 #E7A351

split-complementary

#51E758 #A351E7 #E75195

monochromatic

#17A71E #1EDC27 #51E758 #87EE8C #BDF6BF

Accessibility & contrast

On white

1.63

#51E758 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.92

#51E758 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E758

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E758	#FFFFFF	#000000	##000000
##51E758	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)

#EBD247

Deuteranopia (green-blind)

#D9C664

Tritanopia (blue-blind)

#2BE1C9

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e758;
/* rgb */ color: rgb(81, 231, 88);
/* oklch */ color: oklch(81.9% 0.224 143.9);

Tailwind

colors: {
  custom: {
    50: '#93f08c',
    500: '#51e758',
    950: '#000000',
  },
}

SCSS

$custom: #51e758;
$custom-light: #93f08c;
$custom-dark: #000000;

JSON

{
  "hex": "#51e758",
  "rgb": {
    "r": 81,
    "g": 231,
    "b": 88
  },
  "hsl": {
    "h": 122.8,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.81937,
    "c": 0.22419,
    "h": 143.9
  },
  "luminance": 0.59606
}

Semantic roles & 50–950 ramp

primary

#51E758

secondary

#A834A3

accent

#0ECED8

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170C

muted

#7F857F

Preview Lab

Preview with #51E758

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

Preview Lab → · Contrast checker → · Palette generator →