#51C97E#51C97E

#51C97E is a light, vivid green. Relative luminance 0.450; OKLCH L 74.9% C 0.153 H 153.1°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#51C97E
RGB	rgb(81, 201, 126)
HSL	hsl(143, 53%, 55%)
HSV	hsv(143, 60%, 79%)
CMYK	cmyk(59.7%, 0%, 37.3%, 21.2%)
CIE-LAB	lab(72.91, -50.36, 27.72)
CIE-LCH	lch(72.91, 57.49, 151.17°)
OKLab	oklab(74.91% -0.1364 0.0693)
OKLCH	oklch(74.91% 0.153 153.1)
XYZ	xyz(28.0436, 45.0263, 26.9477)
Luminance	0.4503 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C97E #C9519C

analogous

#60C951 #51C97E #51C9BA

triadic

#51C97E #7E51C9 #C97E51

tetradic

#51C97E #5160C9 #C9519C #C9BA51

square

#51C97E #5160C9 #C9519C #C9BA51

split-complementary

#51C97E #BA51C9 #C95160

monochromatic

#267A45 #34A960 #51C97E #80D7A1 #AEE6C3

Accessibility & contrast

On white

2.10

#51C97E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.01

#51C97E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C97E

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C97E	#FFFFFF	#000000	##000000
##51C97E	1.00	2.10	10.01	10.01
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.01	21.00	1.00	1.00
##000000	10.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9BA79

Deuteranopia (green-blind)

#B9AE83

Tritanopia (blue-blind)

#28C7B6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51c97e;
/* rgb */ color: rgb(81, 201, 126);
/* oklch */ color: oklch(74.9% 0.153 153.1);

Tailwind

colors: {
  custom: {
    50: '#8ddaa4',
    500: '#51c97e',
    950: '#000000',
  },
}

SCSS

$custom: #51c97e;
$custom-light: #8ddaa4;
$custom-dark: #000000;

JSON

{
  "hex": "#51c97e",
  "rgb": {
    "r": 81,
    "g": 201,
    "b": 126
  },
  "hsl": {
    "h": 142.5,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74913,
    "c": 0.15304,
    "h": 153.1
  },
  "luminance": 0.45029
}

Semantic roles & 50–950 ramp

primary

#51C97E

secondary

#D4A2C1

accent

#4CA6DC

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51C97E

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

Preview Lab → · Contrast checker → · Palette generator →