#73A640
Closest named color: Leaf (#71AA34). oklch(66.7% 0.144 131.7), rgb(115, 166, 64).
Aa
Black text reads best on this color (7.25:1).
About this color
#73A640 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.144 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf (#71AA34), ΔE 0.017 away. Black text reads best on it, at 7.25:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Leaf (#71AA34) |
| Black text | 7.25:1 |
| White text | 2.89:1 |
Values
| HEX | #73A640 |
| RGB | rgb(115, 166, 64) |
| HSL | hsl(90, 44%, 45%) |
| OKLCH | oklch(66.7% 0.144 131.7) |
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 #73A640 | 2.89:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #73A640 | 7.25:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #73A640 text on white | 2.89:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #73A640 text on black | 7.25:1 | AAA | Lc -46.7 | Large or bold text, headings |
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 500.
-
Step 50
50
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E5EDDF
oklch(93.6% 0.02 131.5)
-
Step 200
200
#D0DFC5
oklch(88.5% 0.039 131.9)
-
Step 300
300
#B0CB9C
oklch(81% 0.07 132.2)
-
Step 400
400
#87AF63
oklch(70.7% 0.112 131.4)
-
Step 500
500 (this color)
#73A640
oklch(66.7% 0.144 131.7)
-
Step 600
600
#508400
oklch(55.5% 0.153 131.6)
-
Step 700
700
#436F00
oklch(49% 0.135 131.5)
-
Step 800
800
#365B00
oklch(42.7% 0.117 131.5)
-
Step 900
900
#2E4B0D
oklch(37.6% 0.094 131.8)
-
Step 950
950
#1B2C0A
oklch(26.9% 0.06 131.8)
#73A640 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) | #AD9A34 | 0.081 |
| Deuteranopia (no green cones) | #A69648 | 0.082 |
| Tritanopia (no blue cones) | #759F90 | 0.109 |
| Achromatopsia (no color) | #989898 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A640
#73A640
oklch(66.7% 0.144 131.7)
- #B178D4
#B178D4
oklch(66.6% 0.144 311.5)
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 #73A640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf #71AA34 ΔE 0.017
- Fern #63A950 ΔE 0.019
- Off Green #6BA353 ΔE 0.024
- Asparagus #77AB56 ΔE 0.024
- Avocado Green #87A922 ΔE 0.031
- Dark Pastel Green #56AE57 ΔE 0.033
- Mid Green #50A747 ΔE 0.033
- Flat Green #699D4C ΔE 0.034
Use #73A640 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.