#258B42#258B42

#258B42 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.2% C 0.143 H 148.6°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#258B42
RGB	rgb(37, 139, 66)
HSL	hsl(137, 58%, 35%)
HSV	hsv(137, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 52.5%, 45.5%)
CIE-LAB	lab(50.98, -45.20, 30.71)
CIE-LCH	lch(50.98, 54.65, 145.81°)
OKLab	oklab(56.22% -0.1217 0.0742)
OKLCH	oklch(56.22% 0.143 148.6)
XYZ	xyz(10.9781, 19.2507, 8.2904)
Luminance	0.1925 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B42 #8B256E

analogous

#3B8B25 #258B42 #258B75

triadic

#258B42 #42258B #8B4225

tetradic

#258B42 #253B8B #8B256E #8B7525

square

#258B42 #253B8B #8B256E #8B7525

split-complementary

#258B42 #75258B #8B253B

monochromatic

#0B2A14 #185B2B #258B42 #32BB59 #58D37B

Accessibility & contrast

On white

4.33

#258B42 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#258B42 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B42

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B42	#FFFFFF	#000000	##000000
##258B42	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F3C

Deuteranopia (green-blind)

#807647

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #258b42;
/* rgb */ color: rgb(37, 139, 66);
/* oklch */ color: oklch(56.2% 0.143 148.6);

Tailwind

colors: {
  custom: {
    50: '#6fae78',
    500: '#258b42',
    950: '#000000',
  },
}

SCSS

$custom: #258b42;
$custom-light: #6fae78;
$custom-dark: #000000;

JSON

{
  "hex": "#258b42",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 66
  },
  "hsl": {
    "h": 137.059,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.56223,
    "c": 0.14253,
    "h": 148.6
  },
  "luminance": 0.19252
}

Semantic roles & 50–950 ramp

primary

#258B42

secondary

#B7559B

accent

#47B5E1

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #258B42

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

Preview Lab → · Contrast checker → · Palette generator →