#51A545#51A545

#51A545 is a light, vivid green. Relative luminance 0.291; OKLCH L 64.8% C 0.156 H 141.2°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#51A545
RGB	rgb(81, 165, 69)
HSL	hsl(113, 41%, 46%)
HSV	hsv(113, 58%, 65%)
CMYK	cmyk(50.9%, 0%, 58.2%, 35.3%)
CIE-LAB	lab(60.86, -44.57, 41.39)
CIE-LCH	lch(60.86, 60.83, 137.12°)
OKLab	oklab(64.76% -0.1218 0.0977)
OKLCH	oklch(64.76% 0.156 141.2)
XYZ	xyz(17.9218, 29.0879, 10.2992)
Luminance	0.2909 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A545 #9945A5

analogous

#81A545 #51A545 #45A569

triadic

#51A545 #4551A5 #A54551

tetradic

#51A545 #4581A5 #9945A5 #A56945

square

#51A545 #4581A5 #9945A5 #A56945

split-complementary

#51A545 #6945A5 #A54581

monochromatic

#274F21 #3C7A33 #51A545 #73C068 #9BD293

Accessibility & contrast

On white

3.08

#51A545 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#51A545 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A545

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A545	#FFFFFF	#000000	##000000
##51A545	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9973B

Deuteranopia (green-blind)

#9E904C

Tritanopia (blue-blind)

#47A090

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #51a545;
/* rgb */ color: rgb(81, 165, 69);
/* oklch */ color: oklch(64.8% 0.156 141.2);

Tailwind

colors: {
  custom: {
    50: '#89c07c',
    500: '#51a545',
    950: '#000000',
  },
}

SCSS

$custom: #51a545;
$custom-light: #89c07c;
$custom-dark: #000000;

JSON

{
  "hex": "#51a545",
  "rgb": {
    "r": 81,
    "g": 165,
    "b": 69
  },
  "hsl": {
    "h": 112.5,
    "s": 41.026,
    "l": 45.882
  },
  "oklch": {
    "l": 0.64756,
    "c": 0.15614,
    "h": 141.2
  },
  "luminance": 0.29089
}

Semantic roles & 50–950 ramp

primary

#51A545

secondary

#B788BD

accent

#57D1C2

background

#F8FBF7

surface

#F0F7EE

border

#CBD0C9

text

#0C120A

muted

#7D817C

Preview Lab

Preview with #51A545

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

Preview Lab → · Contrast checker → · Palette generator →