#185E33
Closest named color: Spruce (#0A5F38). oklch(42.8% 0.098 152.1), rgb(24, 94, 51).
Aa
White text reads best on this color (7.81:1).
About this color
#185E33 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.098 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.007 away. White text reads best on it, at 7.81:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #185E33 |
| RGB | rgb(24, 94, 51) |
| HSL | hsl(143, 59%, 23%) |
| OKLCH | oklch(42.8% 0.098 152.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #185E33 | 7.81:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #185E33 | 2.68:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #185E33 text on white | 7.81:1 | AAA | Lc 86.8 | Fine for body text |
| #185E33 text on black | 2.68:1 | Fails | Lc -15.3 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CF
oklch(88.6% 0.033 152.4)
-
Step 300
300
#A6CCAF
oklch(81% 0.057 152.1)
-
Step 400
400
#73B184
oklch(70.6% 0.092 152.2)
-
Step 500
500
#4B9E65
oklch(63.2% 0.118 151.8)
-
Step 600
600
#27884C
oklch(55.6% 0.128 152)
-
Step 700
700
#17733D
oklch(49% 0.119 152.1)
-
Step 800
800 (this color)
#185E33
oklch(42.8% 0.098 152.1)
-
Step 900
900
#1C4D2D
oklch(37.7% 0.076 152.3)
-
Step 950
950
#122D1A
oklch(27% 0.049 151.5)
#185E33 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5E5630 | 0.083 |
| Deuteranopia (no green cones) | #565036 | 0.082 |
| Tritanopia (no blue cones) | #005D53 | 0.050 |
| Achromatopsia (no color) | #525252 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #185E33
#185E33
oklch(42.8% 0.098 152.1)
- #6E3967
#6E3967
oklch(42.9% 0.098 332.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #185E33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.007
- Pine #2B5D34 ΔE 0.015
- Deep Green #02590F ΔE 0.042
- Navy Green #35530A ΔE 0.045
- Forest #0B5509 ΔE 0.049
- Army Green #4B5D16 ΔE 0.054
- Dark Green Blue #1F6357 ΔE 0.054
- Dark Green #006400 ΔE 0.055
Use #185E33 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.