#42755E
Closest named color: Dark Aquamarine (#017371). oklch(51.9% 0.067 163.5), rgb(66, 117, 94).
Aa
White text reads best on this color (5.33:1).
About this color
#42755E is a medium-dark, muted green. In OKLCH its lightness is 52%, its chroma 0.067 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.046 away. White text reads best on it, at 5.33:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.93:1 |
| White text | 5.33:1 |
Values
| HEX | #42755E |
| RGB | rgb(66, 117, 94) |
| HSL | hsl(153, 28%, 36%) |
| OKLCH | oklch(51.9% 0.067 163.5) |
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 #42755E | 5.33:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #42755E | 3.93:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #42755E text on white | 5.33:1 | AA | Lc 76.4 | Fine for body text |
| #42755E text on black | 3.93:1 | AA large text | Lc -25.3 | 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
#AFC8BB
oklch(81% 0.033 163)
-
Step 400
400
#83AB98
oklch(70.6% 0.052 164.3)
-
Step 500
500
#63967E
oklch(63% 0.066 163.4)
-
Step 600
600
#498168
oklch(55.7% 0.072 163.7)
-
Step 700
700 (this color)
#42755E
oklch(51.9% 0.067 163.5)
-
Step 800
800
#305946
oklch(42.8% 0.057 162.7)
-
Step 900
900
#2B493B
oklch(37.7% 0.044 163.2)
-
Step 950
950
#1A2B23
oklch(27.1% 0.027 163.6)
#42755E 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) | #736E5D | 0.065 |
| Deuteranopia (no green cones) | #6B695F | 0.062 |
| Tritanopia (no blue cones) | #34756E | 0.026 |
| Achromatopsia (no color) | #6B6B6B | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42755E
#42755E
oklch(51.9% 0.067 163.5)
- #845973
#845973
oklch(51.9% 0.067 342.7)
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 #42755E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.046
- Bluegreen #017A79 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.049
- Deep Aqua #08787F ΔE 0.055
- Dark Moss Green #606C38 ΔE 0.055
- Teal #008080 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.059
- Dark Sage #598556 ΔE 0.062
Use #42755E 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.