#183F22
Closest named color: Evergreen (#05472A). oklch(33.1% 0.067 149.7), rgb(24, 63, 34).
Aa
White text reads best on this color (11.84:1).
About this color
#183F22 is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.067 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.026 away. White text reads best on it, at 11.84:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.77:1 |
| White text | 11.84:1 |
Values
| HEX | #183F22 |
| RGB | rgb(24, 63, 34) |
| HSL | hsl(135, 45%, 17%) |
| OKLCH | oklch(33.1% 0.067 149.7) |
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 #183F22 | 11.84:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #183F22 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #183F22 text on white | 11.84:1 | AAA | Lc 97.0 | Preferred for body text |
| #183F22 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
#E3EDE5
oklch(93.6% 0.015 151.8)
-
Step 200
200
#CDDFCF
oklch(88.6% 0.029 148.6)
-
Step 300
300
#AACAB0
oklch(80.8% 0.05 150.6)
-
Step 400
400
#7CAF86
oklch(70.7% 0.08 150)
-
Step 500
500
#599B67
oklch(63.1% 0.103 149.5)
-
Step 600
600
#3C854E
oklch(55.5% 0.112 149.5)
-
Step 700
700
#2D713F
oklch(49.2% 0.105 149.6)
-
Step 800
800
#275C34
oklch(42.7% 0.087 149.4)
-
Step 900
900 (this color)
#183F22
oklch(33.1% 0.067 149.7)
-
Step 950
950
#162C1B
oklch(26.9% 0.042 150.1)
#183F22 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) | #3F3A20 | 0.055 |
| Deuteranopia (no green cones) | #3A3624 | 0.055 |
| Tritanopia (no blue cones) | #0F3E38 | 0.038 |
| Achromatopsia (no color) | #373737 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #183F22
#183F22
oklch(33.1% 0.067 149.7)
- #492846
#492846
oklch(33.2% 0.067 330.3)
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 #183F22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.026
- Pakistan Green #283618 ΔE 0.032
- Pine Green #0A481E ΔE 0.034
- Hunter Green #0B4008 ΔE 0.035
- Forrest Green #154406 ΔE 0.039
- Dark Olive #373E02 ΔE 0.045
- British Racing Green #05480D ΔE 0.046
- Racing Green #014600 ΔE 0.051
Use #183F22 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.