#005B31
Closest named color: Spruce (#0A5F38). oklch(41.4% 0.103 154.8), rgb(0, 91, 49).
Aa
White text reads best on this color (8.26:1).
About this color
#005B31 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.103 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.016 away. White text reads best on it, at 8.26:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #005B31 |
| RGB | rgb(0, 91, 49) |
| HSL | hsl(152, 100%, 18%) |
| OKLCH | oklch(41.4% 0.103 154.8) |
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 #005B31 | 8.26:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #005B31 | 2.54:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #005B31 text on white | 8.26:1 | AAA | Lc 88.0 | Fine for body text |
| #005B31 text on black | 2.54:1 | Fails | Lc -14.2 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EDE5
oklch(93.5% 0.017 156.9)
-
Step 200
200
#C9E0D0
oklch(88.5% 0.033 155.3)
-
Step 300
300
#A3CDB0
oklch(81% 0.06 154.7)
-
Step 400
400
#6EB286
oklch(70.6% 0.095 154.8)
-
Step 500
500
#409F67
oklch(63.1% 0.124 154.6)
-
Step 600
600
#11894F
oklch(55.5% 0.133 154.9)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800 (this color)
#005B31
oklch(41.4% 0.103 154.8)
-
Step 900
900
#154E2E
oklch(37.8% 0.08 154.7)
-
Step 950
950
#0F2E1B
oklch(27.2% 0.051 154.1)
#005B31 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) | #5B522E | 0.091 |
| Deuteranopia (no green cones) | #514C34 | 0.088 |
| Tritanopia (no blue cones) | #005A51 | 0.052 |
| Achromatopsia (no color) | #4E4E4E | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005B31
#005B31
oklch(41.4% 0.103 154.8)
- #6C3361
#6C3361
oklch(41.3% 0.102 335.1)
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 #005B31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.016
- Pine #2B5D34 ΔE 0.027
- Deep Green #02590F ΔE 0.035
- Forest #0B5509 ΔE 0.040
- Navy Green #35530A ΔE 0.044
- Dark Blue Green #005249 ΔE 0.056
- Dark Green #006400 ΔE 0.057
- Pine Green #0A481E ΔE 0.062
Use #005B31 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.