#183F27
Closest named color: Evergreen (#05472A). oklch(33.2% 0.062 154.2), rgb(24, 63, 39).
Aa
White text reads best on this color (11.80:1).
About this color
#183F27 is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.062 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.027 away. White text reads best on it, at 11.80:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.77:1 |
| White text | 11.80:1 |
Values
| HEX | #183F27 |
| RGB | rgb(24, 63, 39) |
| HSL | hsl(143, 45%, 17%) |
| OKLCH | oklch(33.2% 0.062 154.2) |
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 #183F27 | 11.80:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #183F27 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #183F27 text on white | 11.80:1 | AAA | Lc 96.9 | Preferred for body text |
| #183F27 text on black | 1.77:1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#AACAB3
oklch(80.9% 0.047 154)
-
Step 400
400
#7CAF8C
oklch(70.8% 0.074 154.2)
-
Step 500
500
#589A6F
oklch(63% 0.094 154.2)
-
Step 600
600
#3B8557
oklch(55.7% 0.103 154)
-
Step 700
700
#2C7047
oklch(49% 0.096 154.2)
-
Step 800
800
#265B3B
oklch(42.6% 0.078 154.7)
-
Step 900
900 (this color)
#183F27
oklch(33.2% 0.062 154.2)
-
Step 950
950
#162C1E
oklch(27% 0.039 154.9)
#183F27 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) | #3F3A25 | 0.054 |
| Deuteranopia (no green cones) | #393628 | 0.053 |
| Tritanopia (no blue cones) | #0D3E39 | 0.032 |
| Achromatopsia (no color) | #383838 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183F27
#183F27
oklch(33.2% 0.062 154.2)
- #492943
#492943
oklch(33.2% 0.062 334)
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 #183F27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.027
- Pakistan Green #283618 ΔE 0.033
- Pine Green #0A481E ΔE 0.038
- Hunter Green #0B4008 ΔE 0.042
- Forrest Green #154406 ΔE 0.046
- Dark Olive #373E02 ΔE 0.049
- British Racing Green #05480D ΔE 0.053
- Racing Green #014600 ΔE 0.058
Use #183F27 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.