#258B56#258B56

#258B56 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.6% C 0.123 H 155.7°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#258B56
RGB	rgb(37, 139, 86)
HSL	hsl(149, 58%, 35%)
HSV	hsv(149, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 38.1%, 45.5%)
CIE-LAB	lab(51.30, -41.55, 20.26)
CIE-LCH	lch(51.30, 46.22, 154.00°)
OKLab	oklab(56.59% -0.1123 0.0508)
OKLCH	oklch(56.59% 0.123 155.7)
XYZ	xyz(11.6742, 19.5291, 11.9565)
Luminance	0.1953 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B56 #8B255A

analogous

#278B25 #258B56 #258B89

triadic

#258B56 #56258B #8B5625

tetradic

#258B56 #25278B #8B255A #8B8925

square

#258B56 #25278B #8B255A #8B8925

split-complementary

#258B56 #89258B #8B2527

monochromatic

#0B2A1A #185B38 #258B56 #32BB74 #58D393

Accessibility & contrast

On white

4.28

#258B56 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#258B56 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B56

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B56	#FFFFFF	#000000	##000000
##258B56	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8052

Deuteranopia (green-blind)

#7E7759

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #258b56;
/* rgb */ color: rgb(37, 139, 86);
/* oklch */ color: oklch(56.6% 0.123 155.7);

Tailwind

colors: {
  custom: {
    50: '#6fae86',
    500: '#258b56',
    950: '#000000',
  },
}

SCSS

$custom: #258b56;
$custom-light: #6fae86;
$custom-dark: #000000;

JSON

{
  "hex": "#258b56",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 86
  },
  "hsl": {
    "h": 148.824,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.56593,
    "c": 0.12323,
    "h": 155.7
  },
  "luminance": 0.1953
}

Semantic roles & 50–950 ramp

primary

#258B56

secondary

#B75588

accent

#4797E1

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #258B56

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

Preview Lab → · Contrast checker → · Palette generator →