#51CA5B#51CA5B

#51CA5B is a light, vivid green. Relative luminance 0.447; OKLCH L 74.6% C 0.186 H 144.8°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#51CA5B
RGB	rgb(81, 202, 91)
HSL	hsl(125, 53%, 55%)
HSV	hsv(125, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 55%, 20.8%)
CIE-LAB	lab(72.72, -56.19, 44.98)
CIE-LCH	lch(72.72, 71.98, 141.32°)
OKLab	oklab(74.6% -0.1522 0.1073)
OKLCH	oklch(74.6% 0.186 144.8)
XYZ	xyz(26.4006, 44.7432, 17.1405)
Luminance	0.4475 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA5B #CA51C0

analogous

#83CA51 #51CA5B #51CA98

triadic

#51CA5B #5B51CA #CA5B51

tetradic

#51CA5B #5183CA #CA51C0 #CA9851

square

#51CA5B #5183CA #CA51C0 #CA9851

split-complementary

#51CA5B #9851CA #CA5183

monochromatic

#257B2D #34AA3E #51CA5B #80D887 #AFE7B3

Accessibility & contrast

On white

2.11

#51CA5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#51CA5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA5B

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA5B	#FFFFFF	#000000	##000000
##51CA5B	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB951

Deuteranopia (green-blind)

#BEAE63

Tritanopia (blue-blind)

#38C5B1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #51ca5b;
/* rgb */ color: rgb(81, 202, 91);
/* oklch */ color: oklch(74.6% 0.186 144.8);

Tailwind

colors: {
  custom: {
    50: '#8edb8c',
    500: '#51ca5b',
    950: '#000000',
  },
}

SCSS

$custom: #51ca5b;
$custom-light: #8edb8c;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca5b",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 91
  },
  "hsl": {
    "h": 124.959,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74597,
    "c": 0.18624,
    "h": 144.8
  },
  "luminance": 0.44746
}

Semantic roles & 50–950 ramp

primary

#51CA5B

secondary

#D5A2D0

accent

#4BD1DD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CA5B

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

Preview Lab → · Contrast checker → · Palette generator →