#51CA5F#51CA5F

#51CA5F is a light, vivid green. Relative luminance 0.448; OKLCH L 74.7% C 0.183 H 145.5°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#51CA5F
RGB	rgb(81, 202, 95)
HSL	hsl(127, 53%, 55%)
HSV	hsv(127, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 53%, 20.8%)
CIE-LAB	lab(72.77, -55.66, 43.14)
CIE-LCH	lch(72.77, 70.42, 142.23°)
OKLab	oklab(74.65% -0.1507 0.1035)
OKLCH	oklch(74.65% 0.183 145.5)
XYZ	xyz(26.5778, 44.8141, 18.0736)
Luminance	0.4482 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA5F #CA51BC

analogous

#7FCA51 #51CA5F #51CA9B

triadic

#51CA5F #5F51CA #CA5F51

tetradic

#51CA5F #517FCA #CA51BC #CA9B51

square

#51CA5F #517FCA #CA51BC #CA9B51

split-complementary

#51CA5F #9B51CA #CA517F

monochromatic

#257B2F #34AA41 #51CA5F #80D88A #AFE7B5

Accessibility & contrast

On white

2.11

#51CA5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#51CA5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA5F

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA5F	#FFFFFF	#000000	##000000
##51CA5F	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB955

Deuteranopia (green-blind)

#BEAE67

Tritanopia (blue-blind)

#36C5B2

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51ca5f;
/* rgb */ color: rgb(81, 202, 95);
/* oklch */ color: oklch(74.7% 0.183 145.5);

Tailwind

colors: {
  custom: {
    50: '#8edb8f',
    500: '#51ca5f',
    950: '#000000',
  },
}

SCSS

$custom: #51ca5f;
$custom-light: #8edb8f;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca5f",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 95
  },
  "hsl": {
    "h": 126.942,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74651,
    "c": 0.1828,
    "h": 145.5
  },
  "luminance": 0.44817
}

Semantic roles & 50–950 ramp

primary

#51CA5F

secondary

#D5A2CF

accent

#4BCCDD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CA5F

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

Preview Lab → · Contrast checker → · Palette generator →