#005B23
Closest named color: Deep Green (#02590F). oklch(41.1% 0.117 148.8), rgb(0, 91, 35).
Aa
White text reads best on this color (8.33:1).
About this color
#005B23 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.117 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.018 away. White text reads best on it, at 8.33:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.52:1 |
| White text | 8.33:1 |
Values
| HEX | #005B23 |
| RGB | rgb(0, 91, 35) |
| HSL | hsl(143, 100%, 18%) |
| OKLCH | oklch(41.1% 0.117 148.8) |
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 #005B23 | 8.33:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #005B23 | 2.52:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #005B23 text on white | 8.33:1 | AAA | Lc 88.2 | Fine for body text |
| #005B23 text on black | 2.52:1 | Fails | Lc -14.0 | 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 800.
-
Step 50
50
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C9E1CC
oklch(88.6% 0.038 148.9)
-
Step 300
300
#A3CDA9
oklch(80.8% 0.067 148.9)
-
Step 400
400
#6EB47A
oklch(70.8% 0.11 148.5)
-
Step 500
500
#41A058
oklch(63.1% 0.139 148.8)
-
Step 600
600
#138A3C
oklch(55.5% 0.151 148.7)
-
Step 700
700
#00752F
oklch(49.1% 0.139 148.8)
-
Step 800
800 (this color)
#005B23
oklch(41.1% 0.117 148.8)
-
Step 900
900
#154E25
oklch(37.6% 0.09 149.1)
-
Step 950
950
#0F2E16
oklch(27% 0.057 148.7)
#005B23 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) | #5C521E | 0.093 |
| Deuteranopia (no green cones) | #534B28 | 0.094 |
| Tritanopia (no blue cones) | #00594F | 0.068 |
| Achromatopsia (no color) | #4E4E4E | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005B23
#005B23
oklch(41.1% 0.117 148.8)
- #6C2F69
#6C2F69
oklch(41.2% 0.117 329.3)
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 #005B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.018
- Forest #0B5509 ΔE 0.025
- Spruce #0A5F38 ΔE 0.029
- Pine #2B5D34 ΔE 0.037
- Navy Green #35530A ΔE 0.038
- Dark Green #006400 ΔE 0.043
- Bottle Green #044A05 ΔE 0.057
- Darkgreen #054907 ΔE 0.060
Use #005B23 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.