#42594F
Closest named color: Dark Green Blue (#1F6357). oklch(44.2% 0.032 166.4), rgb(66, 89, 79).
Aa
White text reads best on this color (7.57:1).
About this color
#42594F is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.032 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.041 away. White text reads best on it, at 7.57:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #42594F |
| RGB | rgb(66, 89, 79) |
| HSL | hsl(154, 15%, 30%) |
| OKLCH | oklch(44.2% 0.032 166.4) |
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 #42594F | 7.57:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #42594F | 2.77:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #42594F text on white | 7.57:1 | AAA | Lc 86.3 | Fine for body text |
| #42594F text on black | 2.77:1 | Fails | Lc -15.8 | Dividers and decoration only |
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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D3DBD7
oklch(88.4% 0.01 164.8)
-
Step 300
300
#B6C5BE
oklch(81% 0.019 166.3)
-
Step 400
400
#8FA79C
oklch(70.7% 0.031 166.1)
-
Step 500
500
#749184
oklch(63% 0.038 166.1)
-
Step 600
600
#5C7C6E
oklch(55.7% 0.043 166.2)
-
Step 700
700
#4B685C
oklch(49.1% 0.039 167.3)
-
Step 800
800 (this color)
#42594F
oklch(44.2% 0.032 166.4)
-
Step 900
900
#35463F
oklch(37.7% 0.025 167.9)
-
Step 950
950
#1F2925
oklch(27% 0.016 168.8)
#42594F 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) | #58564F | 0.033 |
| Deuteranopia (no green cones) | #545350 | 0.032 |
| Tritanopia (no blue cones) | #3D5956 | 0.012 |
| Achromatopsia (no color) | #545454 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42594F
#42594F
oklch(44.2% 0.032 166.4)
- #614C57
#614C57
oklch(44.2% 0.033 345.7)
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 #42594F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.043
- Petrol #005F6A ΔE 0.057
- Pine #2B5D34 ΔE 0.057
- Deep Teal #00555A ΔE 0.057
- Dark Aqua #05696B ΔE 0.062
- Dark Blue Green #005249 ΔE 0.063
- Slate #516572 ΔE 0.065
Use #42594F 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.