#51C12A#51C12A

#51C12A is a light, highly saturated green. Relative luminance 0.401; OKLCH L 71.8% C 0.209 H 139.3°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#51C12A
RGB	rgb(81, 193, 42)
HSL	hsl(105, 64%, 46%)
HSV	hsv(105, 78%, 76%)
CMYK	cmyk(58%, 0%, 78.2%, 24.3%)
CIE-LAB	lab(69.51, -57.53, 61.23)
CIE-LCH	lch(69.51, 84.02, 133.22°)
OKLab	oklab(71.82% -0.1584 0.1364)
OKLCH	oklch(71.82% 0.209 139.3)
XYZ	xyz(22.8803, 40.0544, 8.7156)
Luminance	0.4006 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C12A #9A2AC1

analogous

#9CC12A #51C12A #2AC14E

triadic

#51C12A #2A51C1 #C12A51

tetradic

#51C12A #2A9CC1 #9A2AC1 #C14E2A

square

#51C12A #2A9CC1 #9A2AC1 #C14E2A

split-complementary

#51C12A #4E2AC1 #C12A9C

monochromatic

#275C14 #3C8F1F #51C12A #73D94F #9BE482

Accessibility & contrast

On white

2.33

#51C12A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#51C12A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C12A

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C12A	#FFFFFF	#000000	##000000
##51C12A	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7AF00

Deuteranopia (green-blind)

#B9A63B

Tritanopia (blue-blind)

#44BAA5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51c12a;
/* rgb */ color: rgb(81, 193, 42);
/* oklch */ color: oklch(71.8% 0.209 139.3);

Tailwind

colors: {
  custom: {
    50: '#8ed570',
    500: '#51c12a',
    950: '#000000',
  },
}

SCSS

$custom: #51c12a;
$custom-light: #8ed570;
$custom-dark: #000000;

JSON

{
  "hex": "#51c12a",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 42
  },
  "hsl": {
    "h": 104.503,
    "s": 64.255,
    "l": 46.078
  },
  "oklch": {
    "l": 0.71815,
    "c": 0.20902,
    "h": 139.3
  },
  "luminance": 0.40056
}

Semantic roles & 50–950 ramp

primary

#51C12A

secondary

#B77ACD

accent

#41E7BC

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1408

muted

#7E837B

Preview Lab

Preview with #51C12A

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

Preview Lab → · Contrast checker → · Palette generator →