#183F28
Closest named color: Evergreen (#05472A). oklch(33.2% 0.061 155.2), rgb(24, 63, 40).
Aa
White text reads best on this color (11.79:1).
About this color
#183F28 is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.061 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.028 away. White text reads best on it, at 11.79:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.78:1 |
| White text | 11.79:1 |
Values
| HEX | #183F28 |
| RGB | rgb(24, 63, 40) |
| HSL | hsl(145, 45%, 17%) |
| OKLCH | oklch(33.2% 0.061 155.2) |
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 #183F28 | 11.79:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #183F28 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #183F28 text on white | 11.79:1 | AAA | Lc 96.9 | Preferred for body text |
| #183F28 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
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#AACAB4
oklch(80.9% 0.046 155.2)
-
Step 400
400
#7CAE8D
oklch(70.6% 0.072 155.2)
-
Step 500
500
#589A71
oklch(63.1% 0.092 155.4)
-
Step 600
600
#3B8559
oklch(55.7% 0.101 155)
-
Step 700
700
#2C7049
oklch(49.1% 0.093 155.4)
-
Step 800
800
#265B3C
oklch(42.6% 0.077 155.4)
-
Step 900
900 (this color)
#183F28
oklch(33.2% 0.061 155.2)
-
Step 950
950
#162C1E
oklch(27% 0.039 154.9)
#183F28 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) | #3F3A27 | 0.055 |
| Deuteranopia (no green cones) | #393629 | 0.053 |
| Tritanopia (no blue cones) | #0D3E39 | 0.030 |
| Achromatopsia (no color) | #383838 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183F28
#183F28
oklch(33.2% 0.061 155.2)
- #492942
#492942
oklch(33.2% 0.061 335.3)
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 #183F28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.028
- Pakistan Green #283618 ΔE 0.033
- Pine Green #0A481E ΔE 0.039
- Hunter Green #0B4008 ΔE 0.044
- Forrest Green #154406 ΔE 0.048
- Dark Olive #373E02 ΔE 0.050
- British Racing Green #05480D ΔE 0.054
- Racing Green #014600 ΔE 0.059
Use #183F28 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.