#138D5B#138D5B

#138D5B is a mid, vivid teal. Relative luminance 0.199; OKLCH L 56.9% C 0.126 H 158.9°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#138D5B
RGB	rgb(19, 141, 91)
HSL	hsl(155, 76%, 31%)
HSV	hsv(155, 87%, 55%)
CMYK	cmyk(86.5%, 0%, 35.5%, 44.7%)
CIE-LAB	lab(51.77, -43.53, 18.04)
CIE-LCH	lch(51.77, 47.12, 157.49°)
OKLab	oklab(56.93% -0.1178 0.0455)
OKLCH	oklch(56.93% 0.126 158.9)
XYZ	xyz(11.6805, 19.9420, 13.1291)
Luminance	0.1994 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#138D5B #8D1345

analogous

#138D1E #138D5B #13828D

triadic

#138D5B #5B138D #8D5B13

tetradic

#138D5B #1E138D #8D1345 #828D13

square

#138D5B #1E138D #8D1345 #828D13

split-complementary

#138D5B #8D1382 #8D1E13

monochromatic

#042115 #0C5738 #138D5B #1AC37E #36E49D

Accessibility & contrast

On white

4.21

#138D5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#138D5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #138D5B

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##138D5B	#FFFFFF	#000000	##000000
##138D5B	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8158

Deuteranopia (green-blind)

#7E775E

Tritanopia (blue-blind)

#008C80

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #138d5b;
/* rgb */ color: rgb(19, 141, 91);
/* oklch */ color: oklch(56.9% 0.126 158.9);

Tailwind

colors: {
  custom: {
    50: '#6aaf89',
    500: '#138d5b',
    950: '#000000',
  },
}

SCSS

$custom: #138d5b;
$custom-light: #6aaf89;
$custom-dark: #000000;

JSON

{
  "hex": "#138d5b",
  "rgb": {
    "r": 19,
    "g": 141,
    "b": 91
  },
  "hsl": {
    "h": 155.41,
    "s": 76.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56929,
    "c": 0.12626,
    "h": 158.9
  },
  "luminance": 0.19944
}

Semantic roles & 50–950 ramp

primary

#138D5B

secondary

#C13B72

accent

#3583F3

background

#F6FAF8

surface

#ECF5F0

border

#C7CFCB

text

#08100B

muted

#7A7F7C

Preview Lab

Preview with #138D5B

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

Preview Lab → · Contrast checker → · Palette generator →