#255B40#255B40

#255B40 is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.6% C 0.074 H 159.1°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#255B40
RGB	rgb(37, 91, 64)
HSL	hsl(150, 42%, 25%)
HSV	hsv(150, 59%, 36%)
CMYK	cmyk(59.3%, 0%, 29.7%, 64.3%)
CIE-LAB	lab(34.49, -25.06, 10.29)
CIE-LCH	lch(34.49, 27.09, 157.67°)
OKLab	oklab(42.65% -0.0687 0.0262)
OKLCH	oklch(42.65% 0.074 159.1)
XYZ	xyz(5.4290, 8.2452, 6.1549)
Luminance	0.0825 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B40 #5B2540

analogous

#255B25 #255B40 #255B5B

triadic

#255B40 #40255B #5B4025

tetradic

#255B40 #25255B #5B2540 #5B5B25

square

#255B40 #25255B #5B2540 #5B5B25

split-complementary

#255B40 #5B255B #5B2525

monochromatic

#09160F #132F21 #255B40 #37875F #48B27D

Accessibility & contrast

On white

7.93

#255B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#255B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B40

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B40	#FFFFFF	#000000	##FFFFFF
##255B40	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543E

Deuteranopia (green-blind)

#524F42

Tritanopia (blue-blind)

#125B54

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #255b40;
/* rgb */ color: rgb(37, 91, 64);
/* oklch */ color: oklch(42.6% 0.074 159.1);

Tailwind

colors: {
  custom: {
    50: '#658a75',
    500: '#255b40',
    950: '#000000',
  },
}

SCSS

$custom: #255b40;
$custom-light: #658a75;
$custom-dark: #000000;

JSON

{
  "hex": "#255b40",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 64
  },
  "hsl": {
    "h": 150,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.42645,
    "c": 0.07352,
    "h": 159.1
  },
  "luminance": 0.08246
}

Semantic roles & 50–950 ramp

primary

#255B40

secondary

#8E4D6E

accent

#5694D2

background

#F6F8F7

surface

#EBF0ED

border

#C6CBC8

text

#060B08

muted

#7A7C7B

Preview Lab

Preview with #255B40

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

Preview Lab → · Contrast checker → · Palette generator →