#37553B
Closest named color: Pine (#2B5D34). oklch(41.8% 0.056 147.9), rgb(55, 85, 59).
Aa
White text reads best on this color (8.31:1).
About this color
#37553B is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.056 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.033 away. White text reads best on it, at 8.31:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.52:1 |
| White text | 8.31:1 |
Values
| HEX | #37553B |
| RGB | rgb(55, 85, 59) |
| HSL | hsl(128, 21%, 27%) |
| OKLCH | oklch(41.8% 0.056 147.9) |
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 #37553B | 8.31:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #37553B | 2.52:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #37553B text on white | 8.31:1 | AAA | Lc 88.6 | Fine for body text |
| #37553B text on black | 2.52:1 | Fails | Lc -13.5 | 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 800.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D2DDD2
oklch(88.6% 0.019 145.4)
-
Step 300
300
#B3C7B5
oklch(80.9% 0.033 148.1)
-
Step 400
400
#8BAA8E
oklch(70.7% 0.053 147.6)
-
Step 500
500
#6E9573
oklch(63.1% 0.066 148.1)
-
Step 600
600
#557F5B
oklch(55.5% 0.072 148.2)
-
Step 700
700
#466B4B
oklch(49% 0.066 147.9)
-
Step 800
800 (this color)
#37553B
oklch(41.8% 0.056 147.9)
-
Step 900
900
#324834
oklch(37.7% 0.044 147)
-
Step 950
950
#1D2A1F
oklch(26.9% 0.027 149)
#37553B 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) | #565039 | 0.046 |
| Deuteranopia (no green cones) | #514D3C | 0.044 |
| Tritanopia (no blue cones) | #33544E | 0.032 |
| Achromatopsia (no color) | #4E4E4E | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37553B
#37553B
oklch(41.8% 0.056 147.9)
- #5D425C
#5D425C
oklch(41.9% 0.055 327.7)
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 #37553B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.044
- Spruce #0A5F38 ΔE 0.046
- Dark Blue Green #005249 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.051
- Navy Green #35530A ΔE 0.054
- Deep Teal #00555A ΔE 0.059
- Green Brown #544E03 ΔE 0.060
Use #37553B 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.