#51A658#51A658

#51A658 is a light, vivid green. Relative luminance 0.297; OKLCH L 65.3% C 0.140 H 145.4°. Best body text is #000000 at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#51A658
RGB	rgb(81, 166, 88)
HSL	hsl(125, 34%, 48%)
HSV	hsv(125, 51%, 65%)
CMYK	cmyk(51.2%, 0%, 47%, 34.9%)
CIE-LAB	lab(61.42, -42.42, 32.58)
CIE-LCH	lch(61.42, 53.49, 142.47°)
OKLab	oklab(65.29% -0.1152 0.0795)
OKLCH	oklch(65.29% 0.14 145.4)
XYZ	xyz(18.7900, 29.7249, 13.9780)
Luminance	0.2973 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A658 #A6519F

analogous

#74A651 #51A658 #51A682

triadic

#51A658 #5851A6 #A65851

tetradic

#51A658 #5174A6 #A6519F #A68251

square

#51A658 #5174A6 #A6519F #A68251

split-complementary

#51A658 #8251A6 #A65174

monochromatic

#29542C #3D7D42 #51A658 #77BD7D #A1D1A4

Accessibility & contrast

On white

3.02

#51A658 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.95

#51A658 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A658

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A658	#FFFFFF	#000000	##000000
##51A658	1.00	3.02	6.95	6.95
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.95	21.00	1.00	1.00
##000000	6.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A89952

Deuteranopia (green-blind)

#9D915D

Tritanopia (blue-blind)

#43A293

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #51a658;
/* rgb */ color: rgb(81, 166, 88);
/* oklch */ color: oklch(65.3% 0.140 145.4);

Tailwind

colors: {
  custom: {
    50: '#88c188',
    500: '#51a658',
    950: '#000000',
  },
}

SCSS

$custom: #51a658;
$custom-light: #88c188;
$custom-dark: #000000;

JSON

{
  "hex": "#51a658",
  "rgb": {
    "r": 81,
    "g": 166,
    "b": 88
  },
  "hsl": {
    "h": 124.941,
    "s": 34.413,
    "l": 48.431
  },
  "oklch": {
    "l": 0.65291,
    "c": 0.13991,
    "h": 145.4
  },
  "luminance": 0.29726
}

Semantic roles & 50–950 ramp

primary

#51A658

secondary

#BE95BB

accent

#5DC1CA

background

#F8FBF8

surface

#F0F7F0

border

#CBD0CB

text

#0C120B

muted

#7D817C

Preview Lab

Preview with #51A658

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

Preview Lab → · Contrast checker → · Palette generator →