#154F40#154F40

#154F40 is a dark, moderate teal. Relative luminance 0.061; OKLCH L 38.6% C 0.065 H 172.1°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#154F40
RGB	rgb(21, 79, 64)
HSL	hsl(164, 58%, 20%)
HSV	hsv(164, 73%, 31%)
CMYK	cmyk(73.4%, 0%, 19%, 69%)
CIE-LAB	lab(29.72, -22.70, 3.49)
CIE-LCH	lch(29.72, 22.96, 171.26°)
OKLab	oklab(38.6% -0.0639 0.0089)
OKLCH	oklch(38.6% 0.065 172.1)
XYZ	xyz(4.0302, 6.1211, 5.8186)
Luminance	0.0612 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154F40 #4F1524

analogous

#154F23 #154F40 #15414F

triadic

#154F40 #40154F #4F4015

tetradic

#154F40 #23154F #4F1524 #414F15

square

#154F40 #23154F #4F1524 #414F15

split-complementary

#154F40 #4F1541 #4F2315

monochromatic

#061814 #081F19 #154F40 #227F67 #2FB08E

Accessibility & contrast

On white

9.44

#154F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#154F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154F40

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154F40	#FFFFFF	#000000	##FFFFFF
##154F40	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C493F

Deuteranopia (green-blind)

#444441

Tritanopia (blue-blind)

#00504B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #154f40;
/* rgb */ color: rgb(21, 79, 64);
/* oklch */ color: oklch(38.6% 0.065 172.1);

Tailwind

colors: {
  custom: {
    50: '#5b8174',
    500: '#154f40',
    950: '#000000',
  },
}

SCSS

$custom: #154f40;
$custom-light: #5b8174;
$custom-dark: #000000;

JSON

{
  "hex": "#154f40",
  "rgb": {
    "r": 21,
    "g": 79,
    "b": 64
  },
  "hsl": {
    "h": 164.483,
    "s": 58,
    "l": 19.608
  },
  "oklch": {
    "l": 0.38599,
    "c": 0.06453,
    "h": 172.1
  },
  "luminance": 0.06122
}

Semantic roles & 50–950 ramp

primary

#154F40

secondary

#87394D

accent

#476FE1

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#040A08

muted

#797C7B

Preview Lab

Preview with #154F40

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

Preview Lab → · Contrast checker → · Palette generator →