#04523B
Closest named color: Dark Blue Green (#005249). oklch(39% 0.079 166), rgb(4, 82, 59).
Aa
White text reads best on this color (9.22:1).
About this color
#04523B is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.079 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.023 away. White text reads best on it, at 9.22:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #04523B |
| RGB | rgb(4, 82, 59) |
| HSL | hsl(162, 91%, 17%) |
| OKLCH | oklch(39% 0.079 166) |
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 #04523B | 9.22:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #04523B | 2.27:1 | Fails | Lc 13.1 | Not readable |
| #04523B text on white | 9.22:1 | AAA | Lc 90.8 | Preferred for body text |
| #04523B text on black | 2.27:1 | Fails | Lc -11.5 | 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 900.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EEE7
oklch(93.7% 0.018 164.6)
-
Step 200
200
#C6E0D4
oklch(88.4% 0.032 166.2)
-
Step 300
300
#9DCDB8
oklch(80.8% 0.058 166.3)
-
Step 400
400
#61B493
oklch(70.8% 0.096 165.9)
-
Step 500
500
#24A078
oklch(63% 0.121 165.9)
-
Step 600
600
#008863
oklch(55.6% 0.116 165.8)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900 (this color)
#04523B
oklch(39% 0.079 166)
-
Step 950
950
#072E21
oklch(27% 0.049 166.4)
#04523B 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) | #504B3A | 0.079 |
| Deuteranopia (no green cones) | #47453D | 0.076 |
| Tritanopia (no blue cones) | #00524C | 0.028 |
| Achromatopsia (no color) | #474747 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04523B
#04523B
oklch(39% 0.079 166)
- #63324E
#63324E
oklch(39% 0.08 346.1)
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 #04523B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.023
- Evergreen #05472A ΔE 0.040
- Dark Teal #014D4E ΔE 0.041
- Spruce #0A5F38 ΔE 0.046
- Pine Green #0A481E ΔE 0.046
- Pine #2B5D34 ΔE 0.050
- Deep Teal #00555A ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.052
Use #04523B 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.