#42745E
Closest named color: Dark Aquamarine (#017371). oklch(51.7% 0.065 164.1), rgb(66, 116, 94).
Aa
White text reads best on this color (5.39:1).
About this color
#42745E is a medium-dark, muted green. In OKLCH its lightness is 52%, its chroma 0.065 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.045 away. White text reads best on it, at 5.39:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #42745E |
| RGB | rgb(66, 116, 94) |
| HSL | hsl(154, 27%, 36%) |
| OKLCH | oklch(51.7% 0.065 164.1) |
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 #42745E | 5.39:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #42745E | 3.89:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #42745E text on white | 5.39:1 | AA | Lc 76.8 | Fine for body text |
| #42745E text on black | 3.89:1 | AA large text | Lc -25.0 | 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 700.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AFC7BB
oklch(80.8% 0.031 164.1)
-
Step 400
400
#84AB98
oklch(70.7% 0.051 163.7)
-
Step 500
500
#64967F
oklch(63.1% 0.064 164.1)
-
Step 600
600
#4A8068
oklch(55.5% 0.069 163.9)
-
Step 700
700 (this color)
#42745E
oklch(51.7% 0.065 164.1)
-
Step 800
800
#315847
oklch(42.6% 0.053 164.4)
-
Step 900
900
#2C493C
oklch(37.8% 0.042 164.3)
-
Step 950
950
#1A2B23
oklch(27.1% 0.027 163.6)
#42745E 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) | #726E5D | 0.064 |
| Deuteranopia (no green cones) | #6A685F | 0.061 |
| Tritanopia (no blue cones) | #35746E | 0.026 |
| Achromatopsia (no color) | #6A6A6A | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42745E
#42745E
oklch(51.7% 0.065 164.1)
- #835971
#835971
oklch(51.7% 0.065 344.4)
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 #42745E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.045
- Bluegreen #017A79 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.048
- Deep Aqua #08787F ΔE 0.054
- Dark Moss Green #606C38 ΔE 0.055
- Teal #008080 ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.059
- Dark Aqua #05696B ΔE 0.062
Use #42745E 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.