#51B490#51B490

#51B490 is a light, moderate teal. Relative luminance 0.364; OKLCH L 70.1% C 0.108 H 166.7°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#51B490
RGB	rgb(81, 180, 144)
HSL	hsl(158, 40%, 51%)
HSV	hsv(158, 55%, 71%)
CMYK	cmyk(55%, 0%, 20%, 29.4%)
CIE-LAB	lab(66.83, -37.74, 9.69)
CIE-LCH	lch(66.83, 38.96, 165.60°)
OKLab	oklab(70.06% -0.1052 0.0248)
OKLCH	oklch(70.06% 0.108 166.7)
XYZ	xyz(24.7463, 36.4032, 32.1026)
Luminance	0.3640 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B490 #B45175

analogous

#51B45E #51B490 #51A6B4

triadic

#51B490 #9051B4 #B49051

tetradic

#51B490 #5E51B4 #B45175 #A6B451

square

#51B490 #5E51B4 #B45175 #A6B451

split-complementary

#51B490 #B451A6 #B45E51

monochromatic

#2A614D #3C8C6F #51B490 #7CC6AB #A7D9C7

Accessibility & contrast

On white

2.54

#51B490 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#51B490 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B490

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B490	#FFFFFF	#000000	##000000
##51B490	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A98E

Deuteranopia (green-blind)

#A29E92

Tritanopia (blue-blind)

#25B5AA

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51b490;
/* rgb */ color: rgb(81, 180, 144);
/* oklch */ color: oklch(70.1% 0.108 166.7);

Tailwind

colors: {
  custom: {
    50: '#8acbb0',
    500: '#51b490',
    950: '#000000',
  },
}

SCSS

$custom: #51b490;
$custom-light: #8acbb0;
$custom-dark: #000000;

JSON

{
  "hex": "#51b490",
  "rgb": {
    "r": 81,
    "g": 180,
    "b": 144
  },
  "hsl": {
    "h": 158.182,
    "s": 39.759,
    "l": 51.176
  },
  "oklch": {
    "l": 0.70058,
    "c": 0.10814,
    "h": 166.7
  },
  "luminance": 0.36405
}

Semantic roles & 50–950 ramp

primary

#51B490

secondary

#C69BAA

accent

#5884D0

background

#F8FCFA

surface

#F0F8F4

border

#CBD1CE

text

#0C1310

muted

#7D827F

Preview Lab

Preview with #51B490

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

Preview Lab → · Contrast checker → · Palette generator →