#3A6E59
Closest named color: Dark Aquamarine (#017371). oklch(49.5% 0.066 165.7), rgb(58, 110, 89).
Aa
White text reads best on this color (5.90:1).
About this color
#3A6E59 is a medium-dark, muted green. In OKLCH its lightness is 50%, its chroma 0.066 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.041 away. White text reads best on it, at 5.90:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #3A6E59 |
| RGB | rgb(58, 110, 89) |
| HSL | hsl(156, 31%, 33%) |
| OKLCH | oklch(49.5% 0.066 165.7) |
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 #3A6E59 | 5.90:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #3A6E59 | 3.55:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #3A6E59 text on white | 5.90:1 | AA | Lc 79.4 | Fine for body text |
| #3A6E59 text on black | 3.55:1 | AA large text | Lc -22.4 | 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
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CFDDD6
oklch(88.5% 0.018 164.6)
-
Step 300
300
#AEC8BC
oklch(81% 0.033 166)
-
Step 400
400
#83AB99
oklch(70.7% 0.051 165.6)
-
Step 500
500
#629680
oklch(63% 0.065 165.9)
-
Step 600
600
#488169
oklch(55.7% 0.072 165)
-
Step 700
700 (this color)
#3A6E59
oklch(49.5% 0.066 165.7)
-
Step 800
800
#305948
oklch(42.8% 0.055 165.3)
-
Step 900
900
#2B493C
oklch(37.7% 0.043 165)
-
Step 950
950
#192B23
oklch(27% 0.028 164.8)
#3A6E59 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) | #6C6858 | 0.066 |
| Deuteranopia (no green cones) | #64625A | 0.063 |
| Tritanopia (no blue cones) | #2A6E68 | 0.025 |
| Achromatopsia (no color) | #646464 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A6E59
#3A6E59
oklch(49.5% 0.066 165.7)
- #7D536A
#7D536A
oklch(49.6% 0.065 345.7)
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 #3A6E59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.044
- Dark Green Blue #1F6357 ΔE 0.045
- Dark Aqua #05696B ΔE 0.047
- Bluegreen #017A79 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.057
- Dark Moss Green #606C38 ΔE 0.058
- Deep Aqua #08787F ΔE 0.058
Use #3A6E59 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.