#183D30
Closest named color: Pakistan Green (#283618). oklch(32.8% 0.049 167.7), rgb(24, 61, 48).
Aa
White text reads best on this color (12.00:1).
About this color
#183D30 is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.049 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.037 away. White text reads best on it, at 12.00:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.74:1 |
| White text | 12.00:1 |
Values
| HEX | #183D30 |
| RGB | rgb(24, 61, 48) |
| HSL | hsl(159, 44%, 17%) |
| OKLCH | oklch(32.8% 0.049 167.7) |
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 #183D30 | 12.00:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #183D30 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #183D30 text on white | 12.00:1 | AAA | Lc 97.3 | Preferred for body text |
| #183D30 text on black | 1.74:1 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#ABC9BC
oklch(81% 0.037 167.4)
-
Step 400
400
#7DAD99
oklch(70.8% 0.059 167)
-
Step 500
500
#5A9881
oklch(63.1% 0.074 168.2)
-
Step 600
600
#3D836A
oklch(55.7% 0.082 167.5)
-
Step 700
700
#2E6E58
oklch(49% 0.075 167.9)
-
Step 800
800
#285A48
oklch(42.7% 0.062 167.4)
-
Step 900
900 (this color)
#183D30
oklch(32.8% 0.049 167.7)
-
Step 950
950
#172B23
oklch(26.9% 0.03 166.8)
#183D30 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) | #3B392F | 0.048 |
| Deuteranopia (no green cones) | #363531 | 0.047 |
| Tritanopia (no blue cones) | #093D39 | 0.017 |
| Achromatopsia (no color) | #363636 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183D30
#183D30
oklch(32.8% 0.049 167.7)
- #472A39
#472A39
oklch(32.7% 0.049 347.8)
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 #183D30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.037
- Evergreen #05472A ΔE 0.040
- Onyx #343A40 ΔE 0.051
- Midnight Green #073B4C ΔE 0.053
- Pine Green #0A481E ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.056
- Hunter Green #0B4008 ΔE 0.060
- Gunmetal #293241 ΔE 0.060
Use #183D30 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.