#73C591
Closest named color: Medium Aquamarine (#66CDAA). oklch(75.7% 0.111 154.9), rgb(115, 197, 145).
Aa
Black text reads best on this color (10.12:1).
About this color
#73C591 is a medium-light, moderately saturated green. In OKLCH its lightness is 76%, its chroma 0.111 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.033 away. Black text reads best on it, at 10.12:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.12:1 |
| White text | 2.07:1 |
Values
| HEX | #73C591 |
| RGB | rgb(115, 197, 145) |
| HSL | hsl(142, 41%, 61%) |
| OKLCH | oklch(75.7% 0.111 154.9) |
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 #73C591 | 2.07:1 | Fails | Lc -44.9 | Non-text elements, placeholder text |
| Black text on #73C591 | 10.12:1 | AAA | Lc 63.6 | Content text, not long reading |
| #73C591 text on white | 2.07:1 | Fails | Lc 40.4 | Non-text elements, placeholder text |
| #73C591 text on black | 10.12:1 | AAA | Lc -61.9 | Content text, not long reading |
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 400.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE4
oklch(93.6% 0.02 154.9)
-
Step 200
200
#C6E1CE
oklch(88.5% 0.039 154.9)
-
Step 300
300
#9ECEAD
oklch(80.8% 0.068 154.6)
-
Step 400
400 (this color)
#73C591
oklch(75.7% 0.111 154.9)
-
Step 500
500
#29A262
oklch(63.2% 0.142 154.9)
-
Step 600
600
#008A4E
oklch(55.6% 0.137 155)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#024F2B
oklch(37.6% 0.091 155.2)
-
Step 950
950
#082F19
oklch(27.1% 0.059 154.3)
#73C591 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) | #C5B98E | 0.101 |
| Deuteranopia (no green cones) | #B8B194 | 0.096 |
| Tritanopia (no blue cones) | #62C3B7 | 0.055 |
| Achromatopsia (no color) | #B4B4B4 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73C591
#73C591
oklch(75.7% 0.111 154.9)
- #DC95CC
#DC95CC
oklch(75.7% 0.111 335.1)
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 #73C591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.033
- Soft Green #6FC276 ΔE 0.034
- Dark Sea Green #8FBC8F ΔE 0.036
- Lichen #8FB67B ΔE 0.046
- Pale Teal #82CBB2 ΔE 0.049
- Sage Green #88B378 ΔE 0.050
- Greenblue #23C48B ΔE 0.052
- Seafoam Blue #78D1B6 ΔE 0.053
Use #73C591 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.