#183F2D
Closest named color: Evergreen (#05472A). oklch(33.4% 0.055 161.2), rgb(24, 63, 45).
Aa
White text reads best on this color (11.74:1).
About this color
#183F2D is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.055 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.031 away. White text reads best on it, at 11.74:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.78:1 |
| White text | 11.74:1 |
Values
| HEX | #183F2D |
| RGB | rgb(24, 63, 45) |
| HSL | hsl(152, 45%, 17%) |
| OKLCH | oklch(33.4% 0.055 161.2) |
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 #183F2D | 11.74:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #183F2D | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #183F2D text on white | 11.74:1 | AAA | Lc 96.8 | Preferred for body text |
| #183F2D text on black | 1.78:1 | Fails | Lc 0.0 | Not readable |
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 900.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE7
oklch(93.5% 0.012 162)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#AAC9B8
oklch(80.8% 0.041 161.4)
-
Step 400
400
#7CAE93
oklch(70.8% 0.066 160.5)
-
Step 500
500
#589979
oklch(63% 0.083 161.3)
-
Step 600
600
#3A8462
oklch(55.6% 0.092 161.3)
-
Step 700
700
#2B7051
oklch(49.2% 0.086 161.2)
-
Step 800
800
#265B42
oklch(42.7% 0.071 160.7)
-
Step 900
900 (this color)
#183F2D
oklch(33.4% 0.055 161.2)
-
Step 950
950
#162C21
oklch(27.1% 0.035 161)
#183F2D 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) | #3E3A2C | 0.053 |
| Deuteranopia (no green cones) | #38362E | 0.051 |
| Tritanopia (no blue cones) | #0A3F3A | 0.023 |
| Achromatopsia (no color) | #383838 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183F2D
#183F2D
oklch(33.4% 0.055 161.2)
- #492B3F
#492B3F
oklch(33.4% 0.054 340.3)
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 #183F2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.031
- Pakistan Green #283618 ΔE 0.037
- Pine Green #0A481E ΔE 0.045
- Hunter Green #0B4008 ΔE 0.052
- Forrest Green #154406 ΔE 0.056
- Dark Olive #373E02 ΔE 0.056
- Onyx #343A40 ΔE 0.057
- Dark Teal #014D4E ΔE 0.060
Use #183F2D 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.