#258F57#258F57

#258F57 is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.7% C 0.128 H 155.1°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#258F57
RGB	rgb(37, 143, 87)
HSL	hsl(148, 59%, 35%)
HSV	hsv(148, 74%, 56%)
CMYK	cmyk(74.1%, 0%, 39.2%, 43.9%)
CIE-LAB	lab(52.65, -42.96, 21.50)
CIE-LCH	lch(52.65, 48.04, 153.41°)
OKLab	oklab(57.71% -0.116 0.0537)
OKLCH	oklch(57.71% 0.128 155.1)
XYZ	xyz(12.3046, 20.7249, 12.3668)
Luminance	0.2073 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258F57 #8F255D

analogous

#288F25 #258F57 #258F8C

triadic

#258F57 #57258F #8F5725

tetradic

#258F57 #25288F #8F255D #8F8C25

square

#258F57 #25288F #8F255D #8F8C25

split-complementary

#258F57 #8C258F #8F2528

monochromatic

#0C2E1C #185E39 #258F57 #32C075 #5AD494

Accessibility & contrast

On white

4.08

#258F57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#258F57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258F57

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258F57	#FFFFFF	#000000	##000000
##258F57	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8353

Deuteranopia (green-blind)

#827A5B

Tritanopia (blue-blind)

#008D81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258f57;
/* rgb */ color: rgb(37, 143, 87);
/* oklch */ color: oklch(57.7% 0.128 155.1);

Tailwind

colors: {
  custom: {
    50: '#6fb187',
    500: '#258f57',
    950: '#000000',
  },
}

SCSS

$custom: #258f57;
$custom-light: #6fb187;
$custom-dark: #000000;

JSON

{
  "hex": "#258f57",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 87
  },
  "hsl": {
    "h": 148.302,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.57709,
    "c": 0.12783,
    "h": 155.1
  },
  "luminance": 0.20726
}

Semantic roles & 50–950 ramp

primary

#258F57

secondary

#B9578B

accent

#4698E2

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#08110B

muted

#7B807C

Preview Lab

Preview with #258F57

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

Preview Lab → · Contrast checker → · Palette generator →